7. Inferential statistics is most often used for which of the following?
A. Summarizing data
B. Describing data
Collecting data
D. Interpreting data
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6. What is the most common measure of variability?
A. Variance
B. Standard deviation
C. Range
D. Mode
5. Who popularized the use of the correlation coefficient?
A. Francis Galton
B. Charles Darwin
C. Robert Fischer
D. Max Planc
4. What is another term for variability?
A. Central tendency
B. Spread/dispersion
Correlation
D. Scatterplot
3. In the formula for calculating the variance, what does the letter “n” represent?
A. Sample size
B. Population size
C. Lowest score
D. Highest score