Two sun blockers are to b e compared. One blocker is rubbed on one side of a
Question:
Two sun blockers are to b e compared. One blocker is rubbed on one side of a subject's back and the other blocker is rubbed on the other side. Each subject then lies in the sun for two hours. After waiting an additional hour, each side is rated according to redness.
(a) Evaluate the t statistic
(b) How many degrees of freedom does this t have?
(c) Use software to confirm your value oft.
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Related Book For
Statistics Principles And Methods
ISBN: 9781119497110
8th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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