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Chapter 4: Q. 11 (page 238)

Do you trust the Internet? You want to ask a sample of high school students the question 鈥淗ow much do you trust information about health that you find on the Internet鈥攁 great deal, somewhat, not much, or not at all?鈥� You try out this and other questions on a pilot group of 5students chosen from your class.

a. Explain how you would use a line of Table D to choose an SRS of 5students from the following list.

b. Use line 107to select the sample. Show how you use each of the digits.

Short Answer

Expert verified

a. From 1to 40, assign a number to each of the 40students.

b. Using line 107, skip the numbers not in bold:

8273957890208074751181676553009438314893609407.

Step by step solution

01

Part (a) Step 1 : Given Information

The sample of 40students is given

02

Part (a) Step 2 : Simplification

From 1to 40, assign a number to each of the 40students. On the random number table, choose a starting point. Make a list of two-digit numbers, skipping those that aren't between 01and 40and any that are repeated, until you have 5distinct numbers between 01and 40. Use the 5pupils who match these numbers.

03

Part (b) Step 1 : Given Information

The sample of 40 students is given

04

Part (b) Step 2 : Simplification

Using line 107, skip the numbers not in bold: 8273957890208074751181676553009438314893609407. Select Johnson (20), Drasin (11), Washburn (38), Rider (31), and Calloway (07).

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