# Question: Students in nutrition classes at two high schools were asked

Students in nutrition classes at two high schools were asked to keep track of the number of times during the past month that they ordered from a fast-food chain restaurant.

(a) The re-search hypothesis is that Sonando High School students choose fast-food restaurants more often. State the hypotheses for this test.

(b) Show the calculation of the test statistic, using α = .01 and assuming equal population variances.

(c) State the decision rule.

(d) Draw the conclusion.

(e) Is it reasonable to assume equal variances? Explain.

(a) The re-search hypothesis is that Sonando High School students choose fast-food restaurants more often. State the hypotheses for this test.

(b) Show the calculation of the test statistic, using α = .01 and assuming equal population variances.

(c) State the decision rule.

(d) Draw the conclusion.

(e) Is it reasonable to assume equal variances? Explain.

**View Solution:**## Answer to relevant Questions

For a marketing class term project, Bob is investigating whether college seniors eat less frequently in fast-food chains than college freshmen. He asked 11 freshmen and 11 seniors to keep track of how many times they ate in ...Refer to Exercise 11.7. Which pairs of mean GPAs differ significantly (4 majors)? Exercise 11.7 Semester GPAs are compared for seven randomly chosen students in each class level at Oxnard University. Do the data show a ...Using the following Excel results: (a) What was the overall sample size? (b) How many groups were there? (c) Write the hypotheses. (d) Find the critical value of F for α = .10. (e) Calculate the test statistic. (f) Do the ...A market research firm is testing consumer reaction to a new shampoo on four age groups in four regions. There are five consumers in each test panel. Each consumer completes a 10-question product satisfaction instrument with ...Below are results of braking tests of the Ford Explorer on glare ice, packed snow, and split traction (one set of wheels on ice, the other on dry pavement), using three braking methods. Research question: Is the mean ...Post your question