HW due Thursday: Problems 8.41, 8.43, and 8.44 from the text.
HW due Wednesday: Problems 8.45-8.50. Your test is Tuesday of next week--the day after the Dr. King holiday.
How are these questions similar? How are they different? What strategies would you use to answer each?
1. Of the 20 cell phones in a classroom, 30% do not accept text messaging. What is the probability that 3 out of a sample of 7 drawn from the 20 with replacement will not accept text messaging?
2. Of the 20 cell phones in a classroom, 30% do not accept text messaging. What is the probability that 3 out of a sample of 7 drawn from the 20 WITHOUT replacement will not accept text messaging?
3. Of the 200,000 cell phones in a metropolitan community, 30% do not accept text messaging. What is the probability that 3 out of a sample of 7 WITHOUT replacement will not accept text messaging?
HW due Tuesday, January 13: Probloems 8.19-8.24.
HW due Friday: 8.7, 8.10, 8.11, 8.13, & 8.16.
By Monday, make sure that all of the assigned homework has been done correctly and completely.
HW due Thursday: Problems 1-6 of Chapter 8. Each question requires that you explain how the 4 characteristics is satisfied. Also, define x in each setting. KEY: If your are not counting the number of successes (x) in n trials, it can't possibly be a binomial. If is IS, then check the rest of the conditions.
Yippee! We made to the home stretch.
We will begin Chapter 8 on Wednesday. Tuesday's HW is to complete as much of the crossword puzzle as possible. Some of the answers will become clearer as we progress through binomial and geometric distributions. The plan is to test on Chapter 8 next week and have a chapter test every 2-3 weeks thereafter. This way, we'll be able to dedicate the time after the break to review for the exam.
Let's see. Remove Mirage. Replace batteries. Ask parents to read and sign the syllabus. Bring paper, pencil, and calculator on Wednesday. Be safe.
Did I forget anything? :)
Wednesday, January 14, 2009
Tuesday, December 09, 2008
Chapters 6 and 7
Work at least 6 challenging, interesting problems from Chapter 6. If you don't choose challenging problems, then you're not going to be prepared for Thursday's test!
*** The Gator cheerleaders came out to practice with the band tonight and, when they were done, went into the gym and cheered for the freshman basketball team. Go Gators***
And they just mentioned both Venn diagrams and Simpson's Paradox on Numb3rs!
HW due Monday, December 8: Problems 7.55 and 7.58. The test will be on Thursday.
HW due Wednesday, December 3 - 7.32, .37, .38, and .39
HW for Monday- Problems 7.1-7.3 from the text CHAPTER SEVEN!
Please be safe. I will not be at CiCi's on Sunday, November 23. Also, please note that the email system is going to be down until we get back to school in December.
Have a happy Thanksgiving.
*** The Gator cheerleaders came out to practice with the band tonight and, when they were done, went into the gym and cheered for the freshman basketball team. Go Gators***
And they just mentioned both Venn diagrams and Simpson's Paradox on Numb3rs!
HW due Monday, December 8: Problems 7.55 and 7.58. The test will be on Thursday.
HW due Wednesday, December 3 - 7.32, .37, .38, and .39
HW for Monday- Problems 7.1-7.3 from the text CHAPTER SEVEN!
Please be safe. I will not be at CiCi's on Sunday, November 23. Also, please note that the email system is going to be down until we get back to school in December.
Have a happy Thanksgiving.
Monday, November 17, 2008
Chapter 5 - Generating and collecting data
Here's a website with some summary information about experimental design.
HW due Wednesday, 11/19/08: Problems 2006-5 and 2004-2 from the AP exams. Do the work on a separate piece of paper. No credit will be given for work done on the handout. If you missed class on Tuesday, swing by before school to get a copy or go to the AP website to retrieve a copy, but be prepared for class! Your test is on Thursday.
HW due Tuesday, 11/18/08: Problems 5.46-5.49. Your test on Chapter 5 is Thursday.
HW due Monday, 11/17/08: Problem 5, part c from the 2005 exam. The original question is found at www.collegeboard.com/apstudents.
A survey will be conducted to examine the educational level of adult heads of households in the United States. Each respondent in the survey will be placed into one of the following two categories:
(c) Since education is largely the responsibility of each state, the agency wants to be sure that estimates are available for each state as well as for the nation. Identify a sampling method that will achieve this additional goal and briefly describe a way to select the survey sample using this method.
Your answer must be written and complete and reflect your best reasoning.
Your test on this chapter is Thursday.
HW due Friday: 5.9, 5.10, 5.13, 5.14. Know how each of these types of bias occurs and what its implications are: response, non-response, voluntary response, wording, undercoverage. Also, how does convenience sampling lead to bias?
Know also how to conduct surveys using each of these methods:
Stratified random sample: Create layers of homogeneous groups and randomly sample from each.
Systematic random sample: Select every nth person for the survey.
Cluster sampling: Survey a smaller heterogeneous group that has characteristics similar to the entire population.
Simple random sampling of size n: (the ideal) use random methods that ensure that every person has the same likelihood of selection AND that every possible group of n people has the same likelihood of selection.
Your HW due Wednesday 11/12 is 5.1-5.5 (after reading the first four pages of the chapter).
Here are the questions that will be on the long form and the short form of the census in 2010. The actual date of the census will be April 1, 2010.
HW due Wednesday, 11/19/08: Problems 2006-5 and 2004-2 from the AP exams. Do the work on a separate piece of paper. No credit will be given for work done on the handout. If you missed class on Tuesday, swing by before school to get a copy or go to the AP website to retrieve a copy, but be prepared for class! Your test is on Thursday.
HW due Tuesday, 11/18/08: Problems 5.46-5.49. Your test on Chapter 5 is Thursday.
HW due Monday, 11/17/08: Problem 5, part c from the 2005 exam. The original question is found at www.collegeboard.com/apstudents.
A survey will be conducted to examine the educational level of adult heads of households in the United States. Each respondent in the survey will be placed into one of the following two categories:
- Does not have a high school diploma
- Has a high school diploma
(c) Since education is largely the responsibility of each state, the agency wants to be sure that estimates are available for each state as well as for the nation. Identify a sampling method that will achieve this additional goal and briefly describe a way to select the survey sample using this method.
Your answer must be written and complete and reflect your best reasoning.
Your test on this chapter is Thursday.
HW due Friday: 5.9, 5.10, 5.13, 5.14. Know how each of these types of bias occurs and what its implications are: response, non-response, voluntary response, wording, undercoverage. Also, how does convenience sampling lead to bias?
Know also how to conduct surveys using each of these methods:
Stratified random sample: Create layers of homogeneous groups and randomly sample from each.
Systematic random sample: Select every nth person for the survey.
Cluster sampling: Survey a smaller heterogeneous group that has characteristics similar to the entire population.
Simple random sampling of size n: (the ideal) use random methods that ensure that every person has the same likelihood of selection AND that every possible group of n people has the same likelihood of selection.
Your HW due Wednesday 11/12 is 5.1-5.5 (after reading the first four pages of the chapter).
Here are the questions that will be on the long form and the short form of the census in 2010. The actual date of the census will be April 1, 2010.
Thursday, November 06, 2008
Chapter 4 Examining Nonlinear Relationships
Due Friday 11/7/08: Problems 4.41-48 in the book. YOu'll need to read the section that precedes these questions. The test is on Monday. Don't wait until the last minute to work problems. [Check out the Barron's sudy guide, sections 4 and 5 for more problems.]
UPDATE: The Chapter 4 test has been postponed to Monday, November 10, but you still need to work problems!
HW due Wed 11/5/08: You should have worked at least 5 problems from the first section of the chapter plus problems 4.23 and 4.26. It would be helpful for you to work more problems, since your test is Thursday.
HW due Friday: Bongiorno! Problem 4.12, the pizza problem. Sorry for the delay. The CCSD filters wouldn't let me post from school. si I had to wait until I got home.
HW due Thursday: problem 4.5 plus at least one of 4.6, 4.8, and 4.10. Finish your worksheet from today.
HW due Wednesday: Write out comprehensive notes for Chapter 4.
The test will be the Thursday after the election day.
UPDATE: The Chapter 4 test has been postponed to Monday, November 10, but you still need to work problems!
HW due Wed 11/5/08: You should have worked at least 5 problems from the first section of the chapter plus problems 4.23 and 4.26. It would be helpful for you to work more problems, since your test is Thursday.
HW due Friday: Bongiorno! Problem 4.12, the pizza problem. Sorry for the delay. The CCSD filters wouldn't let me post from school. si I had to wait until I got home.
HW due Thursday: problem 4.5 plus at least one of 4.6, 4.8, and 4.10. Finish your worksheet from today.
HW due Wednesday: Write out comprehensive notes for Chapter 4.
The test will be the Thursday after the election day.
Tuesday, October 21, 2008
Chapter 3 Examining Relationships
This chapter introduces methods of describing, evaluating, and predicting a relationship between two variables. We are extending our look into Chapter 15 as well.
The test is Monday over Chapter 3 and Chapter 15. Most of the emphasis is on Chapter 3. How could you prove that you know the material?
Due FRIDAY, 10/24: Create detailed written instructions for finding r, the LSRL, residuals, s, and SEof b, performing the hypothesis test for a slope, and for finding the confidence interval for a slope.
15.6 and 15.8 from the text.
Due Wednesday, 10/22: Find 4 examples of regression output using a computer program in the text. For each one, construct null and alternate hypotheses for inferences about the slope of the LSRL, perform the calculations related to your hypotheses, and write out the conclusion in the context of the problem. We are ignoring for now the assumptions/conditions portion of the required steps in inference. All of this must be written on paper-not on your calculator or stored in your heads.
Due Tuesday, 10/14: Translate the definitions from Chapter 15 into language you understand more easily.
Due Monday 10/13: Problems .33, .34, .38, .39, .43, .44, .45. Problems 3.29-3.32 were due Thursday, 10/9.
Due 10/6: Become experts. It's up to you, now. Become able to calculate r, b, a, and the residuals in tables quickly and efficiently. Y'all need to practice so you are fluent!
It boils down to becoming experts in the same thing we've done on the calculator, Fathom, and Excel for 3 days. You could ue a data set from an example in the book and rework it until it is second nature.
Due 10/3: Work 2 challenging problems from the first section that you haven't already worked to PROVE that you are an expert on correlation.
10/1: Looked at data and linear relationships using Fathom. Become an expert on the first section of chapter 3 (3.1).
HW due Wednesday, 10/1: 3.13, .17, .19, .20, .23, .24, .28
Homework for 9/29: familiarize yourself with the correlation and regression applet on the textbook website.
http://bcs.whfreeman.com/tps3e/
HW due 9/26: Problems 3.5 and 3.6 from the text. Problem 3.5 involves one of my favorite relationships: manatee deaths cause powerboat registrations.
HW due 9/25: Be prepared to generate a linear model to solve the copier repair problem and defend your choice of variables.
HW due 9/24: Create an annotated outline of the chapter (include vocabulary and formulas and where you found them). This should take about 2 pages.
The test is Monday over Chapter 3 and Chapter 15. Most of the emphasis is on Chapter 3. How could you prove that you know the material?
Due FRIDAY, 10/24: Create detailed written instructions for finding r, the LSRL, residuals, s, and SEof b, performing the hypothesis test for a slope, and for finding the confidence interval for a slope.
15.6 and 15.8 from the text.
Due Wednesday, 10/22: Find 4 examples of regression output using a computer program in the text. For each one, construct null and alternate hypotheses for inferences about the slope of the LSRL, perform the calculations related to your hypotheses, and write out the conclusion in the context of the problem. We are ignoring for now the assumptions/conditions portion of the required steps in inference. All of this must be written on paper-not on your calculator or stored in your heads.
Due Tuesday, 10/14: Translate the definitions from Chapter 15 into language you understand more easily.
Due Monday 10/13: Problems .33, .34, .38, .39, .43, .44, .45. Problems 3.29-3.32 were due Thursday, 10/9.
Due 10/6: Become experts. It's up to you, now. Become able to calculate r, b, a, and the residuals in tables quickly and efficiently. Y'all need to practice so you are fluent!
It boils down to becoming experts in the same thing we've done on the calculator, Fathom, and Excel for 3 days. You could ue a data set from an example in the book and rework it until it is second nature.
Due 10/3: Work 2 challenging problems from the first section that you haven't already worked to PROVE that you are an expert on correlation.
10/1: Looked at data and linear relationships using Fathom. Become an expert on the first section of chapter 3 (3.1).
HW due Wednesday, 10/1: 3.13, .17, .19, .20, .23, .24, .28
Homework for 9/29: familiarize yourself with the correlation and regression applet on the textbook website.
http://bcs.whfreeman.com/tps3e/
HW due 9/26: Problems 3.5 and 3.6 from the text. Problem 3.5 involves one of my favorite relationships: manatee deaths cause powerboat registrations.
HW due 9/25: Be prepared to generate a linear model to solve the copier repair problem and defend your choice of variables.
HW due 9/24: Create an annotated outline of the chapter (include vocabulary and formulas and where you found them). This should take about 2 pages.
Thursday, September 18, 2008
Chapter 2 - Describing Location
The Chapter 1 tests have been graded and returned to students.
The test on Chapter 2 is Monday. Bring your calculator. C U at CiCi's if you're up for it! (Behind the Starbuck's on Hwy 92) Have you tried the online quiz?
HW due Friday, Sept 19 (International Talk Like a Pirate Day!!) Work at least seven challenging problems from Chapter 2 that we haven't assigned yet. The more you challenge yourself, the better prepared you'll be for the test on Monday.
HW due Wednesday: Problems 2.51 through 2.54. Chapter 2 test will be on Monday.
HW due Tuesday, Sept 16th: 2.46, 2.47, & 2.50.
HW due Monday, Sept. 15th: 2.43 and 2.44.
Come by before school to put CtlgHelp on TI-83 plus and TI-84 calculators.
HW due Sept 12th: problems 2.37, 2.38 AFTER you've read pages 148-154
HW due Sept 11th: problems 2.29, .30, .32, and .34.
HW due Sept 10th: problems 2.23-2.26 from the text
Health alert: http://www.reuters.com/article/newsOne/idUSSYD5846120080815
HW due Sept 9th: Problems 2.5-2.8 from the text.
HW due Sept 8th: Problems 2.10 and 2.13 from the text PLUS find the median, Q1, and Q3 of the triangular distribution defined by the segment connecting (0, 1) to (2, 0) or whatever triangle distribution (with the fat side on the left!!!) we assigned in your class.
Be safe.
The test on Chapter 2 is Monday. Bring your calculator. C U at CiCi's if you're up for it! (Behind the Starbuck's on Hwy 92) Have you tried the online quiz?
HW due Friday, Sept 19 (International Talk Like a Pirate Day!!) Work at least seven challenging problems from Chapter 2 that we haven't assigned yet. The more you challenge yourself, the better prepared you'll be for the test on Monday.
HW due Wednesday: Problems 2.51 through 2.54. Chapter 2 test will be on Monday.
HW due Tuesday, Sept 16th: 2.46, 2.47, & 2.50.
HW due Monday, Sept. 15th: 2.43 and 2.44.
Come by before school to put CtlgHelp on TI-83 plus and TI-84 calculators.
HW due Sept 12th: problems 2.37, 2.38 AFTER you've read pages 148-154
HW due Sept 11th: problems 2.29, .30, .32, and .34.
HW due Sept 10th: problems 2.23-2.26 from the text
Health alert: http://www.reuters.com/article/newsOne/idUSSYD5846120080815
HW due Sept 9th: Problems 2.5-2.8 from the text.
HW due Sept 8th: Problems 2.10 and 2.13 from the text PLUS find the median, Q1, and Q3 of the triangular distribution defined by the segment connecting (0, 1) to (2, 0) or whatever triangle distribution (with the fat side on the left!!!) we assigned in your class.
Be safe.
Tuesday, September 02, 2008
Chapter 1 - Exploratory data analysis
We are learning how to create graphical representations of data and to interpret different graphs.
MESSAGE TO AP STUDENTS: It is impossible for you to make up the discussions and interactions that you miss when you are absent from class. Therefore, it is your responsibility to keep up with the homework so you are not behind when you return to class. This means that you need to get the assignments from the blog or another student. Email me if you need more information--but don't show up empty-handed after an absence! You'll only get further behind.
HW for 9/2: Take notes on timeplots and ogives from the text. You will be expected to construct these graphs tomorrow in class. You would benefit from looking through the chapter summary to see if there is anything you don't understand/can't do. The test is THURSDAY!
HW for 8/29: Using the data collected in class, recreate the box and whisker plot, the stemplot, and the histogram representing the data. Look in your book for directions for the following: Back to back stemplots, back to back histograms, and parallel boxplots. Separate your data into boy data and girl data and create each of those graphs to compare the boy data to the girl data.
ALSO, consider the effect of outliers on the mean, median, standard deviation, and interquartile range of the data. Which of these measurements will be affected tremendously by outliers?
Be safe.
HW for 8/27: Bring in a graph that excites you. It must be a histogram, boxplot, stemplot, or other graph that you can write about BUT NOT A BARGRAPH. The graph can be from the newspaper, a magazine (with permission from the owner to cut it out!) or printed from the Internet.
HW for 8/26: Using the data from problem 1.11 in the text, create a split stem-and-leaf graph of the ages of the Presidents at inauguration. Write a few sentences describing what you have created and compare/contrast the results with the histogram that you created in class to represent the same data.
MESSAGE TO AP STUDENTS: It is impossible for you to make up the discussions and interactions that you miss when you are absent from class. Therefore, it is your responsibility to keep up with the homework so you are not behind when you return to class. This means that you need to get the assignments from the blog or another student. Email me if you need more information--but don't show up empty-handed after an absence! You'll only get further behind.
HW for 9/2: Take notes on timeplots and ogives from the text. You will be expected to construct these graphs tomorrow in class. You would benefit from looking through the chapter summary to see if there is anything you don't understand/can't do. The test is THURSDAY!
HW for 8/29: Using the data collected in class, recreate the box and whisker plot, the stemplot, and the histogram representing the data. Look in your book for directions for the following: Back to back stemplots, back to back histograms, and parallel boxplots. Separate your data into boy data and girl data and create each of those graphs to compare the boy data to the girl data.
ALSO, consider the effect of outliers on the mean, median, standard deviation, and interquartile range of the data. Which of these measurements will be affected tremendously by outliers?
Be safe.
HW for 8/27: Bring in a graph that excites you. It must be a histogram, boxplot, stemplot, or other graph that you can write about BUT NOT A BARGRAPH. The graph can be from the newspaper, a magazine (with permission from the owner to cut it out!) or printed from the Internet.
HW for 8/26: Using the data from problem 1.11 in the text, create a split stem-and-leaf graph of the ages of the Presidents at inauguration. Write a few sentences describing what you have created and compare/contrast the results with the histogram that you created in class to represent the same data.
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