In a 2015 study by Nanney et al. and published in the Journal of American College Health, a random sample of community college students was asked whether they ate breakfast 3 or more times weekly. The data are reported by gender in the table.

a. Find the row, column, and grand totals, and prepare a table showing these values as well as the counts given.

b. Find the percentage of students overall who eat breakfast at least three times weekly. Round off to one decimal place.

c. Find the expected number who eat breakfast at least three times weekly for each gender. Round to two decimal places as needed.

d. Find the expected number who did not eat breakfast at least three times weekly for each gender. Round to two decimal places as needed.

e. Calculate the observed value of the chi-square statistic.

Transcribed Image Text:

Eat breakfast at least 3x weekly Females Males Yes 206 94 No 92 49