ACT Scores A survey of 1000 students nationwide showed a mean ACT score of21.4. A survey of 500 Alabama scores showed a mean of 21.1. Ii= the population standard deviation in each case is 3, can we conclude the national average is greater than the Alabama average? Use e=0.01 and use [11 for the nationwide mean ACT soore. (c) Compute the test value. Always round z score values to at least two decimal places.(b) Find the critical value(s). Round the answer(s} to at least two decimal places. If there is more than one critical value, separate them with commas. A real estate agent compares the selling prices of homes in two municipalities in southwestern Pennsylvania to see if there is a difference. The results of the study are shown. Is there enough evidence to reject the claim that the average cost of a home in both locations is the same? Use u= 0.05. Use 3 TI83 Plus or TI84 Plus calculator. Find the Pvalue. Reuncl 1mar answer ta at least four decimal places. Pvalue = D Tax-Exempt Properties A tax collector wishes to see if the mean values of the tax-exempt properties are different for two cities. The values of the taxexempt properties for the two samples are shown. The data are given in millions of dollars. At u={}.01, is there enough evidenoe to support the tax collector's claim that the means are difFerent? Find the critical value{5}. Round the answer{s) to at least three decimal places. If there is more than one critical value, separate them with commas. Critical value(s]: D