Multiple Choice
A company advertises that food preparation time can be significantly reduced with the Handy Dandy Slicer. A sample of 12 individuals prepared the ingredients for a meal with and without the slicer. You are given the preparation times (in minutes) below. 
The test statistic equals
A) -.81 or .81.
B) -.84 or .84.
C) -10 or 10.
D) -20 or 20.
Correct Answer:
Verified
Correct Answer:
Verified
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