2010-07-25_100843_The_Willow_Run_Outlet_Mall - Problem The...

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Problem: The Willow Run Outlet Mall has two Haggar Outlet Stores, one located on Peach Street and the other 10 customers at the Peach Street store revealed they spent the following amounts more than planne $16.47, $15.96, $16.79, $16.74, $21.40, $20.57, $19.79, and $14.83. At the .01 significance level, is Peach Plum $17.58 $18.19 $19.73 $20.22 $12.61 $17.38 $17.79 $17.96 $16.22 $23.92 $15.82 $15.87 $15.40 $16.47 $15.86 $15.96 $11.82 $16.79 $15.85 $16.74 $21.40 $20.57 $19.79 $14.83 x-bar = $15.87 $18.29 s = $2.33 $2.55 Data: n1 10 n2 14 x1-bar 15.87 x2-bar 18.29 s1 2.33 s2 2.55 (1) Formulate the hypotheses:
(3) State the decision Rule: Reject Ho if |t| > 2.8188 (4) Calculate the value of test statistic: (5) Compare with the critical value and make a decision:

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