1. Ho=5 H1<5 A test is performed with a sample size of 9. The sample mean was 4.34 with a sample standard deviation of 1.2 Assume that the population is approximately normal. Figure out the p-value.

1. The mean annual tuition and fees for a sample of 7 private college was 28,039 with a standard deviation of 4,530. A dotplot shows that is is reasonable to assume that the population is approximately normal. A researcher wants to test to see if the median tuition and fees for private institutions differs from 30,000. Find the p-value of the test.

`. 1. In a study to determine whether counseling could help people lose weight a sample of people experienced a group based behavioral intervention, which involved weekly meetings with a trained interventionist for a period of six months. The following data are the numbers of pounds lost for 5 people. 18.2 3.9 17.1 8.8 22.1 Is it reasonable to assume the population is approx normal. A researcher wants to know whether the mean weight loss is greater than 10 pounds find the p-value of the test.

1. The mean area of homes in a certain city built in 2009 was 2438 sq feet. Assume that a simple random sample of 11 homes in the same city built in 2010 had a mean area of 2,280 square feet with a standard deviation of 225 square feet. An insurance company wants to know if the mean area of homes built in 2010 is less than that of homes built in 2009. find the p-value.

1. Following are the weighs of 5 boxes of cookies, each of which is labeled as containing 16 ounces. Assume that the population of weights is normally distributed 15.91 14.35 14.88 16.07 14.79 A quality control inspector wants to know whether the mean weight is actually less than 16 ounces. Find the p-value of the test.