In a study, temperature readings were taken at different locations in 1969 and in 2005. 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 1969 and 2005. If you believe the populations are independent, then assume the population variances are equal. ocation n Average Standard deviation 1969 41 80 12.8 2005 41 88 9.4 Difference (d = y1969 - )2005) 41 .8.0 5.6 Perform a statistical test. (a) What are the null and alternative hypotheses? Ho: ud 0 + HA: ud b) What is the test statistic? (Round your answer to 3 decimal places, if needed.) (c) Using the statistical table, the p-value is 0.02