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1. A drapery store manager was interested in determining whether a new employee can install vertical blinds faster than an employee who has been with the company for two years. The manager takes independent samples of 10 vertical blind installations of each of the two employees and computes the following information.

   	New Employee	Veteran Employee
   Sample Size	10	10
   Sample Mean	22.2 min	24.8 min
   Standard Deviation	0.90 min	0.75 min

   Using the following null and alternate hypothesis: H0: vs. Ha:mu1-mu2<0 test statistic is t=-7.018 assume alpha = 0.05 what the appropriate conclusion for this test?

   A.	none of these
   B.	Do not reject H0
   C.	Reject H0
   D.	Reject Ha