Homework Problems: Questions: 1-8

Question 1:

Suppose you are given a data set that classifies each sample unit into one of four categories: A, B, C, or D. You plan to create a computer database consisting of these data, and you decide to code the data as A=1, B=2, C=3, and D=4. Are the data consisting of the classifications A, B, C, and D qualitative or quantitative? After the data are input as 1, 2, 3, or 4, are they qualitative or quantitative?

A. Quantitative, because they can only be classified into categories

B. Qualitative, because they can only be classified into categories.

C. Qualitative, because they are measured on a naturally occurring numerical scale.

D. Quantitative, because they are measured on a naturally occurring numerical scale.

Question 2:

A company tracked allall credit card purchases during the year 2005 and measured two? variables: (1) the cardholder's gender left parenthesis male or female right parenthesiscardholder's gender (male or female)?, and left parenthesis 2 right parenthesis the amount left parenthesis in dollars right parenthesis (2) the amount (in dollars)of each monthly paymentof each monthly payment.

a. Identify the type? (quantitative or? qualitative) of each variable measured.

b. Does the data set collected represent a population or a? sample?

# MATH 533 Week 1 | Homework Problems

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