Question: Refer to the data on the head length (cm) of male grizzly bears given in Table D.6 of the Data Bank. A computer calculation for

Refer to the data on the head length (cm) of male grizzly bears given in Table D.6 of the Data Bank. A computer calculation for a test of H0: Î¼ = 21 versus H1: Î¼ ‰ 21 is given below.

(a) What is the conclusion if you test with Î± = .01?
(b) What mistake could you have made in part (a)?
(c) Before you collected the data, what was the probability of making the mistake in part (a)?
(d) Give a long-run relative frequency interpretation of the probability in part (c).

Test of mu21 vs u not21 Variable Mhdln stDev Mean 18.636 3.697 25 Variable 95 . 0% CI Mhdln 17.110, 20.162) 3.20 0.004

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