Nausea from air sickness affects some travelers. A drug company, wanting to establish the effectiveness of its motion sickness pill, randomly gives either its pill or a look-alike sugar pill (placebo) to 200 passengers.

(a) Complete the marginal totals.
(b) Calculate the relative frequencies separately for each row.
(c) Comment on any apparent differences in response between the pill and the placebo.

Transcribed Image Text:

Degree of Nausea Pill Placebo 19 33 None Slight Moderate Severe Total 18 36 43 36 100 3 12 100 Total