Question

1) The salaries of human resource managers are a numerical variable.

True or False  

2) Suppose 300 randomly selected human resource managers were surveyed and asked to identify in which group their current salary lies—25,000 to 40,000, 40,001 to 55,000, 55,001 to 70,000, 70,001 to 85,000, or 85,001 or higher. Current salary in this scenario is which of the following?

a) biased statistic

b) categorical variable    

c) numerical variable

d) parameter

3) The sample obtained in this study is the 250 randomly selected patients with diabetes.

True or False    

4) What is the population of interest in this study?

The population of interest in this study is ..............................

a) the 250 randomly selected diabetic patients

b) the pharmaceutical company

c) all patients with diabetes

d) the reduced blood glucose levels

5) The population of interest in this study is all cereals of this particular brand.

True or False    

6) What is the 31 boxes of granola cereal in this study?

a) parameter

b) statistic

c) sample

d) population

7)  What shape would you expect for the distribution of scores from a very hard exam for a large class of students?

a) positively skewed

b) negatively skewed   

c) symmetrical

d) normal

Answer 1

1) The salaries of human resource managers are a numerical variable.

True

2) Suppose 300 randomly selected human resource managers were surveyed and asked to identify in which group their current salary lies—25,000 to 40,000, 40,001 to 55,000, 55,001 to 70,000, 70,001 to 85,000, or 85,001 or higher. Current salary in this scenario is which of the following?

b) categorical variable    

The data for the other parts is missing.

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