STAtistics Monthly Schedule

(AP Statistics, Period E)

M 2/2/04

Groundhog Day. If for some reason there is no class today, you need to keep working. There is a Homework and a Half due tomorrow (70 minutes if you use placeholders and a time log).

 

T 2/3/04

HW due: Finish reading Chapter 9, including reading notes; write #9.8, 9.9, 9.10, 9.19, 9.20, 9.30, 9.31 (you may wish to do 9.31 first), 9.35 in your own words, 9.44, 9.47. Also answer the following questions:

 

1.     There are 312 students in the Upper School. Imagine that The Independent polls an SRS of 55 STA Upper School students in a scientific survey to determine the percentage of students that own more than one computer. Through painstaking research and follow-up, the staff finds that 23 of these students do, indeed, own more than one computer. There is no nonresponse, and response bias is low because the question is not sensitive. Compute (a) the sample proportion of students that own more than one computer, and (b) the standard deviation of this statistic. Page 473 and footnote 3 will be very helpful to you.

2.     Rules of Thumb 1 and 2 are designed to ensure that (a) a sampling process is reasonably close to independent, so that binomial techniques apply, and (b) the normal approximation to the binomial distribution can be applied. Which rule applies to which?

 

Minimum working time: 70 minutes. If you have good placeholders and a time log, you may end after that point. However, only §9.3 may count toward your reading time, because §9.1 and §9.2 should already be in your reading notes. As always, 70 minutes is a minimum time; students who wish to do well should be devoting more time.

 

W 2/4/04

HW due: Continue working (35 minutes minimum) on your previously assigned problems. If yesterday’s HW review is any indication, you need to revisit many of these problems. If there is a formula that addresses the question at hand, you need to flip through the pages until you find the proper formula. Be sure to show adequate notation and work; answers without sufficient support are not acceptable.

 

Th 2/5/04

If you have not yet finished the HW assignment, your required time commitment is another 35 minutes tonight.

There is no additional HW due, but I remain skeptical about the strength of recent effort by several students. When you are asked to give your wording to 9.35—or any of the previous questions, for that matter—I expect you to read your work directly from your paper. Although working with friends on HW is always permitted, copying their words is not. For example, you may use Jamie’s words as a “gold standard” starting point for problem #9.20(c), but the words in your HW paper must be your own. Try to write your answer as if you were a teacher explaining the situation to some bright but not entirely clued-in students of about your age.

 

F 2/6/04

Quiz on Chapter 9.

HW due:
Read through p. 512.

 

M 2/9/04

HW due: Read through the end of §10.1 (pp. 513-528); write #10.1, 10.2, 10.4.

 

T 2/10/04

HW due: Write #10.7, 10.8, 10.14, 10.16, 10.18, 10.24, 10.25.

 

W 2/11/04

HW due: Read the first part of §10.2 (pp. 531-536) at least twice; write #10.27, 10.28.

 

Th 2/12/04

HW due: Read, somewhat casually but with some reading notes, through the end of §10.2 (pp. 537-556); write #10.45, 10.48. For #10.48, you should follow the VHA(S)TPC procedure.

 

F 2/13/04

No school (faculty professional day).

 

M 2/16/04

No school (holiday).

 

T 2/17/04

HW due: Reread §10.2 more carefully. It will make more sense the second time through, now that we know something about how to conduct hypothesis tests. Also write #10.44, 10.46, 10.49, 10.55, 10.56. Use VHA(S)TPC for #10.49.

 

W 2/18/04

HW due: Read §10.3; write #10.63, 10.64, 10.65.

 

Th 2/19/04

HW due: Read §10.4.

 

F 2/20/04

Quiz on §§10.1-10.3. (This was originally scheduled for Thursday, but was skillfully postponed by Zach’s strategic questions.) Content will resemble the problems that we worked through during yesterday’s class.

HW due: Reread §10.4; write #10.72, 10.82-10.85 all.

 

M 2/23/04

Review day. Make sure you are up-to-date on all HW, including the assignment from last Friday that we did not have time to cover since most people took so long on the quiz.

 

T 2/24/04

The test originally scheduled for today has been postponed to tomorrow so that we can gather statistics on the Pancake Race. Before going to the race, we will do some additional review.

 

W 2/25/04

Test on Chapters 9 and 10.

 

Th 2/26/04

HW due: Read §11.1 (including notes, as always) and answer the following questions:

1. What name do we give to the s.d. of a statistic in a sampling distribution?
2. With one-sample t procedures, df (degrees of freedom) always equals what value?

 

F 2/27/04

HW due: Write #11.21, 11.22, 11.23, 11.26.

 

 


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Last updated: 03 Mar 2004