A stock analyst wants to determine whether there is a difference in the mean rate of return for 12 types of stock. The analyst selected a sample of 82 and conducted an ANOVA test that is shown as follows. Variation SS df MS F Between 106 ? ? 2 (Treatment) ? ? ? Within (Error) Total 804 ? The Within (Error) degree of freedom is equal to?

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A: The answer is attached below,

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Q: What is the probability that a randomly selected person from the population tests negative?

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Q: pendent use the places. P(A) = 0.37, P(A and B) = 0.22, find P(B) P(B) = ing pro LO wer the que:

A: It is given that  P(A) = 0.37 P(A and B) = 0.22

Q: Grouped Data Class Interval 96-100 91-95 86-90 81-85 76-80 71-75 66-70 1-5 Tally HH-111 HH-1111 H-1…

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A: *Answer: