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 H_0 and H_a in words and in symbols. Then whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed. Explain your reasoning. State the alternative hypothesis in words and in symbols. Choose the correct answer below. A. 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, "H_a: sigma 1.9. " D. 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 expressed symbolically as, "H_a: sigma notequalto 1.9. "The hypothesis test is because the contains

Explanation / Answer

Option-A) Ha : < 1.9

The hypothesis test is left tailed test. Becuase the alternative hypothesis contains < 'less than symbol'

      

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