Marathon Runners a Researcher Wants to Study the Average Miles Run

question 174

Essay

Marathon Runners
A researcher wants to study the average miles run per day for marathon runners.In testing the hypotheses: H₀: μ = 25 miles vs.H₁: μ ≠ 25 miles,a random sample of 36 marathon runners drawn from a normal population whose standard deviation is 10,produced a mean of 22.8 miles weekly. ​ ​
-{Marathon Runners Narrative} Compute the value of the test statistic and specify the rejection region associated with 5% significance level.

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