l[Islestiun 'l 4 Tries remaining: 1 Marked out of 1 1.00 it" Flag question In a study, temperature readings were taken at different locations in 1975 and in 2004. The average daily temperatures for the month of June in each of 41 different locations are listed below. We would like to see if there is any difference between the mean temperatures of 19?'5 and 2004. If you believe the populations are independent. then assume the population variances are equal. Location n Average Standard deviation 1975 41 80 12.7 2004-11: 9.1 Difference (d = y1975 ygom] 41 6.0 5.1 Perform a statistical test. (a) What are the null and alternative hypotheses? 0 0 Ho: p r: HA: p c = 0 (b) What is the test statistic? (Round your answer to 3 decimal places, if needed.) E (c) Using the statistical table, the p-value is 0.01