Textbook ExpertVerified Tutor
1 Nov 2021
Given information
Let X = one value from the given distribution.ΣX = the sum or total of n values=42 .
Because mean (μX) = 25, standard deviation (σX) = 6, and sample size(n) = ?
Step-by-step explanation
Step 1.
As we know, the standard deviation for Sums,
On squaring both sides,
n= 49
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