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a-normal-population-has-s2-6-the-sum-of-squares-of-deviations-of-15-sample-values-from-their-mean-being-120
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Q.
A normal population has s
2
=6. The sum of squares of deviations of 15 sample values from their mean being 120, what is the x2 (chi-square) value ?
[A] 9
[B] 48
[C] 20
[D] 1.33
Answer & Explanation
Answer: 20
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