Chapter 1. Tutorial: Sampling 2

Problem Statement

{30020,40111,52619,41510,72114,83261,10123,20371,02480,34205}
rand(0,9)
72114[4]
{Jung,Adelaja,Yajima,Fox,Modur,Jung,Adelaja,Jung,Jung,Burke}
Modur[4]
{Gupta,Jung,Jung,Jung,Hernandez,Gupta,Jung,Gupta,Gupta,Jung}
Hernandez[4]
{Mazzeo,Gao,Mani,Huo,Barnes,Barnes,Rodriguez,Barnes,Sanchez,Barnes}
Barnes[4]
{Barnes,BArnes,Barnes,Barnes,Ding,Ding,Barnes,Ding,Barnes,Ding}}
Ding[4]

Here is a list of employees at a small firm that have been “numbered” for convenience:

Figure 1.1

Step 1

questions

The following is part of a random number table:

16124 45998 60679 05487 98825 29942 13522 01868 85705 12053

Question 1

In order to use this random number table to select a sample of 5 employees, you will group the digits into sets of length _____
Correct.
Incorrect.

Step 2

Question 5

In a simple random sample, each element of the list is chosen with probability and the previous selection.

Correct.
Incorrect.

Step 3

Here is the list of employees with their genders added:

Figure 1.2

The following is part of a different random number table:

52833 72114 18038 63473 88380 33013 86286 84407 66031 39555

Question 7

We wish to select a separate random sample of size 3 for males and of size 5 for females using this new random number table. This design is called a random sample.

Correct.
Incorrect.