The following data gives the number of hours 5 students spent studying and their corresponding grades...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

solution:-

the correlation coefficient r = 0.967

explanation:-

I XΥ Ι Χ. Χ Τ Υ.Υ 4356 5625 156 6084 336 7056 480 9216 the sum of every column to get: ΣΧ= 12, ΣΥ= 399, ΣΧ. Υ = 1047, ΣΧ? = 4

Answer 2

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