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Exercise 8.52. A fair coin is flipped 30 times. LetX denote the number of heads among the first 20 coin flips and Y denote the number of heads among the last 20 coin flips. Compute the correlation coefficient of X and I.
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Answer #1

Ans Grven dat heads Onmong le Coin elee ren σ.2x : Valance t.

11110000000000 t - 0001 2 13 , 心67,9 Zo ~ 2 2 2 25 26 27 28 , 30 2 222 22 222e

20 ζο Uy 3 30 .333 323Zo 20 20 70 60436 20 30 3 3 4) 0.473メ0.472 0 4953

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