Ch8-9 quiz Name: 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. 5. (10 points) Glamour Magazine Survey Glamour magazine sponsored a survey of 2500 prospective brides and found that 60% of them spent less than $750 on their wedding gown. Use a 0.01 significance level to test the claim that less than 62% of brides spend less than $750 on their wedding gown. How are the results affected if it is learned that the responses were obtained from magazine readers who decided to respond to the survey through an Internet Web site? 6. (10 points) Weights of Sugar Packets A student of the author ran- domly selected 70 packets of sugar and weighed the contents of each packet, getting a mean of 3.586 g and a standard deviation of 0.074 g. Test the claim that the weights of the sugar packets have a mean equal to 3.5 g, as indicated on the label. If the mean does not appear to equal 3.5 g, does the difference appear to be large enough to create health problems for consumers