Question: Two sun blockers are to be compared. One blocker is rubbed on one side of a subject's back and the other blocker is rubbed on

Two sun blockers are to be 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?

Two sun blockers are to be compared. One blocker is

= Solfi 12 Subject No. BlockerI Blocker 2

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