Question

Adam wants to know the mean number of minutes students commuting back and forth to school each day. he selects a sample of 5 students using the random digit table beginning on line 12 shown.

Line 12: 29621 66583 62966 12468 20345 14015 04014 35713 03980 03024
A. What is the sample size?
B. Adam assigns each student a two digit number beginning with 12 and ending with 30. Which students are chosen for the sample?

Answer 1

A. 5

B. 29, 16, 24, 20, and 15

Explanation:

The sample size is 5.

Each student is assigned a two digit number, so split the random digit table into two digit numbers.

29, 62, 16, 65, 83, 62, 96, 61, 24, 68, 20, 34, 51, 40, 15, 04, 01, 43, 57, 13, 03, 98, 00, 30, 24

Identify the first 5 unique numbers between 12 and 30.

29, 62, 16, 65, 83, 62, 96, 61, 24, 68, 20, 34, 51, 40, 15, 04, 01, 43, 57, 13, 03, 98, 00, 30, 24