# Question

Describe and classify this database and its parts:

a.* Is this a univariate, bivariate, or multivariate data set?

b. What are the elementary units?

c. Which variables are qualitative and which are quantitative?

d.* Is “training level” ordinal or nominal? Why?

e. Would you ever want to do arithmetic on “employee number”? What does this tell you about whether this is truly a quantitative variable?

f. Is this a time series, or are these cross-sectional data?

a.* Is this a univariate, bivariate, or multivariate data set?

b. What are the elementary units?

c. Which variables are qualitative and which are quantitative?

d.* Is “training level” ordinal or nominal? Why?

e. Would you ever want to do arithmetic on “employee number”? What does this tell you about whether this is truly a quantitative variable?

f. Is this a time series, or are these cross-sectional data?

## Answer to relevant Questions

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