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E) A Zealous Shopper Thinks Grocery Stores Have Been Raising The Price Of Fruit Every Month She Documents The

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1 = 15
Xd = 1.4
Sd = 2. 4727
( 3) Test Statistic: (t – test )
to =
1.4 – 0
2-4727
t = 1.4
= 2.193
0. 6385
Critical value: ( reject He if )
to 2 taiv
V=n – 1
=15 – 1
gt; to.05, 19
V = 14
using
to…Statistics and Probability