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Decide Whether Applying One-Standard-Deviation Chi-Square Procedures to the Given Data 244252556065677172757779\begin{array} { l l l l l l } 24 & 42 & 52 & 55 & 60 & 65 \\ 67 & 71 & 72 & 75 & 77 & 79 \end{array}

Question 7

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Decide whether applying one-standard-deviation chi-square procedures to the given data appears reasonable. Explainyour answer.
-Test scores for a random sample of 12 students were as follows: 244252556065677172757779\begin{array} { l l l l l l } 24 & 42 & 52 & 55 & 60 & 65 \\ 67 & 71 & 72 & 75 & 77 & 79 \end{array}

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A normal probability plot of the data is...

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