FREE Bachelor of Science in Industrial Engineering Probability & Statistics Questions and Answers

Question 1

The mean of the sample distribution is _________ if the population mean is 29.

Accepted Answer

29

Answer

21

Answer

31

Answer

30

Question 2

If the population is 240 and the sample size is chosen to be 60, the sampling interval is .

Accepted Answer

4

Answer

0.25

Answer

60

Answer

240

Question 3

The process of choosing a suitable subset from a population that encapsulates the traits of the entire population is known as .

Accepted Answer

sampling

Answer

implanting

Answer

dividing

Answer

segregating

Question 4

The standard deviation of the sampling distribution is _______ if the sample size is 16 and the population standard deviation is 50.

Accepted Answer

12.25

Answer

14.25

Answer

13.25

Answer

11.25

Question 5

What does the parameter k represent in a sampling distribution?

Accepted Answer

Sampling interval

Answer

Multi stage interval

Answer

Secondary interval

Answer

Sub stage interval

Question 6

The mean of the sampling distribution must equal _______ if the sample and population distributions vary.

Accepted Answer

mean of population

Answer

sample of population

Answer

variance of population

Answer

standard deviation of population

Question 7

Stratified sampling, systematic sampling, and cluster sampling are examples of .

Accepted Answer

random sampling

Answer

non random sampling

Answer

indirect sampling

Answer

direct sampling

Question 8

Which of the following best represents the population as a whole and is categorized as an exact value?

Accepted Answer

parameter

Answer

estimator

Answer

guider

Answer

predictor

Question 9

Which of the following situations qualifies as a high sample size?

Accepted Answer

n > or = 30

Answer

n < or = 50

Answer

n < or = 30

Answer

n > or = 50

Question 10

In a clustering sampling, the chosen clusters are referred to as .

Accepted Answer

elementary units

Answer

secondary units

Answer

proportional units

Answer

primary units