1 Which of the following is not an item for analysis using descriptive statistics?

a The population or sample of interest.

b Identification of patterns in the data.

c None

d Tables, graphs or tools to summarize and visualize the data.

e An inference made about the population from the sample.

2 The statistic and the parameter:

a They are the same

b They measure the same but it refers to a different set

c They are not the same

d None of the above

e All of the above

3 The definition of population is:

A number of observations representing the total

All members of a set

None of the above

4 Indicate the level of measurement for each question in this survey of high school students:

Select :

Ordinal

nominal

of reason

interval

a Gender: female ___ male ___

b Age: ___

c Year of study: Freshman ___ Sophomore ___ Junior ___ Senior ___

d What is your current academic average (GPA)? ________

e Concentration:

f Do you have plans to continue your graduate studies? Yes___ No____

g What is the current annual salary estimate ($ 000)? ______

h -What is the estimated annual salary ($ 000) that you expect to earn in 5 years? _____

I-Blood type: _____ I don't know _____

J-Are you an athlete? Yes___ No____

5-Suppose a fast food restaurant sells three types of beverages: soda, coffee, and juices. Explain why the types of drinks sold at this fast food restaurant are an example of a categorical variable?

6-The University of the Sacred Heart will deliver a survey to 100 randomly selected first-year students. What is the population?

a All students available to answer from any year of study.

b All first-year students at the University of the Sacred Heart.

c The 100 selected students.

d All students of the University of the Sacred Heart.

7 The University of the Sacred Heart will deliver a survey to 100 randomly selected first-year students. What is the sample?

All students available to answer from any year of study.

All students of the University of the Sacred Heart.

All first-year students at the University of the Sacred Heart.

The 100 selected students.

8-Indicate the type of numerical or quantitative variable.

select : Continuous or discreet.

At the moment, how many streaming subscriptions do you have? ______ number

Please indicate your height: ______ inch

How much money did you spend on online shopping last month? _______Dollars

9-For these work experience quiz questions, indicate the level of measurement for each question.

Select :

Ordinal

of reason

nominal

Occupation: ____________

Current Employer: __________

Number of years in current employment: ________ years