A golf analyst claims that the standard deviation of the 18-hole scores for a go

Question

A golf analyst claims that the standard deviation of the 18-hole scores for a golfer is at least 1.9 strokes. State Ho and Ha in words and in symbols. Then determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed. Explain your reasoning State the null hypothesis in words and in symbols. Choose the correct answer below 0 A. The null hypothesis expressed in words is the standard deviation of the 18-hole scores for a golfer is equal to 1.9 strokes. The null hypothesis is expressed symbolically as O B The null hypothesis expressed in words is the standard deviation of the 18-hole scores for a golfer is not 1.9 strokes. The null hypothesis is expressed symbolically as C. The null hypothesis expressed in words is the standard deviation of the 18-hole scores for a golfer is at least 1.9 strokes. The null hypothesis is expressed symbolically as Ho: o21.9." D. The null hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is at most 1.9 strokes." The null hypothesis is expressed symbolically as Ho: OS1.9 State the alternative hypothesis in words and in symbols. Choose the correct answer below. 0 A. The alternative hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is 1.9 strokes." The alternative hypothesis is expressed O B. The alternative hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is more than 1.9 strokes." The alternative hypothesis is symbolically as, "Hao 19" expressed symbolically as, "??.C > 1.9- C. The alternative hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is not 1.9 strokes." The alternative hypothesis is expressed symbolically as, "Ha?#19." 0 D. The alternative hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is less than 1.9 strokes." The alternative hypothesis is expressed symbolically as. "Ha?

Explanation / Answer

The answer for null Hypothesis is B

and for alternate hypothesis is just the opposite of null hypothesis. that is,

option D

Here the hypothesis test is one tail test (left tail) since the alternate hypothesis is having < symbol

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