Question: 6. Which Excel function allows you to count using more than one criterion? a. COUNTIF b. HLOOKUP c. VLOOKUP d. COUNTIFS 7. Coding males as

6.

Which Excel function allows you to count using more than one criterion?

a. COUNTIF
b. HLOOKUP
c. VLOOKUP

d. COUNTIFS

7.

Coding males as 1 and females as 0 in a data set illustrates the use of _____ variables.

a. ordinal
b. numerical
c. nominal

d. dummy

8.

If the number of observations in a single-variable data set is even, the median is the

a. most frequent observation.
b. difference between the two middle observations.
c. difference between the highest and smallest observation.

d. average of the two middle observations.

9.

What is the most common type of chart for showing the distribution of a numerical variable?

a. Histogram
b. Two-way table
c. Column chart

d. Pie chart

10.

Examples of comparison problems include

a. cost of living broken down by region of a country.
b. salary broken down by male and female subpopulations.
c. recovery rate for a disease broken down by patients who have taken a drug and patients who have taken a placebo.
d. All of these choices are correct.

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