Determine whether the quantitative variable is discrete or continuous:

length of a snake

Determine whether the study depicts an observational study or an experiment:

A poll is conducted by a school's English department in which 8th grade students are asked if they prefer to be in their English class or their science class

The survey has bias. (a) Determine the type of bias. (b) Suggest a remedy.

A polling organization conducts a study to estimate the percentage of households that have internet access. it mails a questionnaire to 1117 randomly selected households across the country and asks the head of each household if he or she has internet access Of the 1117 households selected, 11 responded.

Determine the type of bias

Nonresponse bias

Response bias

Sampling bias

Undercoverage bias

How can the bias be remedied?

A.

The polling organization should mail the questionnaire to each person in the households.

B.

The polling organization should try contacting households that do not respond by phone or face-to-face.

C.

The polling organization should only select households in a single state.

D.

The polling organization should mail the questionnaire to a greater number of households.

The following data represent the number of grams of fat in breakfast meals offered at a local fast food restaurant. (a) Construct an ordered stem-and-leaf plot and (b) describe the shape of the distribution.

25 2 14 29 2 36 15 17 19 28 5 10 43 6 13 38 29 38 6 13 29 18