QUESTION:

Sale Prices for Houses The average sales price of new onefamily houses in the Midwest is $248,400 and in the South is $261,100. A random sample of 37 houses in each region was examined with the following results. At the 0-05 level of signicance, can it be concluded that the difference in mean sales price for the two regions is greater than $3400? South Hidwtl Sample size 37 37 Sample mean $261,100 $248,400 Population standard deviation $10,500 $12,000 Use H for the average sales price for a house in the South. (a) State the hypotheses and identify the claim. H D H E] This hypothesis test is a (Choose one} V 11351:- (b} nd 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. Critical value(s): E] ' L_. [Elia (c) Compute the test value. Always round 2 score values to at least two decimal places. Fm (d) Make me decision. the null hypothesis. (e) Summarize the results. There enough evidence to support me claim that me difference in mean sales price for the two regions is greater than $3400