Q 73

Regression analysis asks:
A) if there are differences between distinct populations
B) if the sample is representative of the population
C) how a single variable depends on other relevant variables
D) how several variables depend on each other

Q 74

The term autocorrelation refers to:
A) the analyzed data refers to itself
B) the sample is related too closely to the population
C) the data are in a loop (values repeat themselves)
D) time series variables are usually related to their own past values

Q 75

Outliers are observations that
A) lie outside the sample
B) render the study useless
C) lie outside the typical pattern of points on a scatterplot
D) disrupt the entire linear trend