When the contents of the large intestine do not move along fast enough and waste materials stay too long in this part of the gastrointestinal tract, a person can suffer from diarrhea.  

Short Essay Choose one of the following two course themes. For that theme, provide three examples from course materials that illustrate that theme (3-4 sentences for each example; 9-12 for your total response). For each example, describe what it is and how it illustrates the course theme. As with the identifications, think about the who, what, where, when, and most importantly, the how and why. Each example should be its own paragraph.  Course theme choices (choose one): Changes in engineering benefit some more than others Changes in engineering can have unanticipated consequences You will have one text field. Separate each example with a line break (hit “return”). 

Select something

What days of the week are assignments due in our course during Week 4 (Select all that apply). 

In the summer-job example, x1 = 725, n1 = 802, x2 = 573, n2 = 712. Compute p̄. Round to 3 decimals.

A researcher claims that the proportion of male students with summer jobs is greater than the proportion of female students with summer jobs. Which pair is correct?

In matched-pairs tests, the focus of the hypotheses is on the mean difference μd.

Sample A has s = 2.4. Sample B has s = 4.8. Compute the F test statistic after proper labeling. Round to 3 decimals.

A newspaper claims there is no difference between Dee’s and Tom’s mean ratings. Dee’s sample has x̄1 = 4.7, s1 = 0.50, n1 = 100. Tom’s sample has x̄2 = 4.8, s2 = 0.62, n2 = 100. Use α = 0.01 with two-tail critical values ±2.576. Is the claim supported? Answer “supported” or “not supported”.

In the summer-job study, p̂male = 725/802 and p̂female = 573/712. What is the approximate TS for males as Sample 1?