Discussion:
Q: According to a study by the American Pet Food Dealers Association, 42 percent of U.S. households own pets. A report is being prepared for an editorial in the San Francisco Chronicle. As a part of the editorial a random sample of 265 households showed 175 own pets. Does this data disagree with the Pet Food Dealers Association data? Use a 0.20 level of significance.
(a) State the null hypothesis and the alternate hypothesis.
(b) State the decision rule for 0.20 significance level.
(c) Compute the value of the test statistic.
(d) Does this data disagree with the Pet Food Dealers Association data? Use a 0.20 level of significance.