1a. An outlier is an observation so different from the rest of the observations.

A. True B. False

1b. The chisquare test of independence is ideally suited for

A. determining whether two random samples come from populations with the same median.

B. analyzing observations on the same individual in a pretest posttest experiment.

C. an analysis that involves two related samples.

D. determining whether a given set of observations has indeed been drawn at random from a single population.

E. investigating the independence of variables in cross classifications.

1c. The FactFinder Research firm conducted a survey for a national food manufacturer, and one of the issues addressed by the research was to determine how many pounds of fish were annually consumed per capita. In the survey, they found one person who consumed only one pound of fish per year while 10 people reported 200 pounds per year. The sample mean is

A. 200

B. 201

C. 199

D. 1 to 2,000

E. 181.90

1d. The editing process involves

A. inspecting the data received from each sample element

B. correcting the data received from each sample element

C. assessing degree of nonresponse

D. checking for consistency across responses

E. All of these are correct