# Question

A national publication reported that a college student living away from home spends, on average, no more than $15 per month on laundry. You believe this figure is too low and want to disprove this claim. To conduct the test, you randomly select 17 college students and ask them to keep track of the amount of money they spend during a given month for laundry. The sample produces an average expenditure on laundry of $19.34, with a population standard deviation of $4.52.Use these sample data to conduct the hypothesis test. Assume you are willing to take a 10% risk of making a Type I error and that spending on laundry per month is normally distributed in the population.

## Answer to relevant Questions

A local company installs natural-gas grills. As part of the installation, a ditch is dug to lay a small natural-gas line from the grill to the main line. On the average, the depth of these lines seems to run about 1 foot. ...According to the U.S. Census Bureau, the average American generates 4.4 pounds of garbage per day. Suppose we believe that because of recycling and a greater emphasis on the environment, the figure is now lower. To test this ...Examine the following data. Assume the variances for the two populations are 22.74 and 26.65, respectively.a. Use the data to test the following hypotheses (α = .02).H0: µ1 - µ2 = 0 Ha: µ1 - µ2 ≠ 0.:.b. Construct a ...Use the data given and the eight-step process to test the following hypotheses.H0: µ1 - µ2 = 0 ....... Ha: µ1 - µ2 < 0Sample 1 ... Sample 2n1 = 8 ...... n2 = 11x̄1 = 24.56 ... x̄2 = 26.42s21 = 12.4 .... s22 = ...Some studies have shown that in the United States, men spend more than women buying gifts and cards on Valentine’s Day. Suppose a researcher wants to test this hypothesis by randomly sampling 9 men and 10 women with ...Post your question

0