Ch10 HW Name: 1. For each hypothesis test you complete, please answer questions (a) through (i) listed below. (a) (1 point) What conditions should you check first before you con- duct the hypothesis test? (b) (1 point) Write the null and alternative hypotheses. (c) (1 point) What type of test are you doing: right-tailed, left-tailed or two-tailed? (d) (1 point) What formula should be used for the test statistic? (e) (1 point) What number is the test statistic equal to? (f) (2 points) Sketch a graph of the p-value (g) (1 point) What p-value do you obtain? Round to the ten-thousandths. (h) (1 point) Do you reject the null hypothesis or fail to reject the null hypothesis? Explain. (i) (1 point) Please write a conclusion sentence, in the context of the problem, that explains to a lay person the result of the hypothesis test. citizens au buch Baltimore, Florida, is apple viately 20 minutes. To see if their commenting times appear to be any diferent in the winter, random samples of 40 drivers were surveyed in and the average commuting time for the month of January Ch10 HW ed for both cities. The Name: 2. Whiting, Indiana, leads the "Top 100 Cities with the Oldest Houses" list with the average age of houses being 66.4 years. Farther down the list resides Franklin, Pennsylvania, with an average house age of 59.4 years. Researchers selected a random sample of 20 houses in each city and obtained the following statistics. At a = 0.05, can it be concluded that the houses in Whiting are older? Assume that the population of ages in both cities is normally distributed. Assume population stan- dard deviations are unequal. Whiting Franklin Mean age 62.1 years 55.6 years Standard deviation 5.4 years 3.9 years Source: www.city-data.com