Question

Oneway Analysis of Num. of Pepperoni By Pizza Chain Num. of Pepperoni Happy Joe's Pizza Hut Pizza Chain 4t Test Pizza Hut-Happy Joe's Assuming unequal variances Difference -11.000 t Ratio Std Err Dif 2.614 DF Upper CL Dif -5.458 Prob > t Lower CL Dif -16.542 Prob > t Confidence 0.95 Prob <t -4.20801 16 0.0007 0.9997 0.0003* .10 5 0 5 10

Answer 1

Here Here the difference is a pizza, no a happy Joes -11.00 a) So, the test is teft tad tast. Therefore, the corresponding povalu is 0.0003. Hence, Pizza Hut has less pepperoni, on average, than Happy Joe's at the 0.05 level of significance. The 95% confidence interval for the difference between pizza between Happy Joe's and Pizza Hut is (5.45, 46.542). The population difference of the means M pizza hut - Happy Toes fall within the confidence interval (-5.950,-16.542) with 95% confidence