Sixty gym members were randomly selected and their weights were recorded and inputted into MINITAB. The results are summarized in Exhibit 1 below. One-Sample Z: Weight Test of mu = 195 vs < 195 The assumed standard deviation = 22.11 Variable N Mean StDev SE Mean Weight 60 193.13 22.11 * Calculate the value of * . State the null and alternative hypotheses for the test. What is the value of test statistic for this test.? Calculate the p-value for this test. and State the conclusion of this test. Give a reason for your answer. Show all workings.
Sixty gym members were randomly selected and their weights were recorded and inputted into MINITAB. The results are summarized in Exhibit 1 below.
One-Sample Z: Weight
Test of mu = 195 vs < 195
The assumed standard deviation = 22.11
Variable N
Weight 60 193.13 22.11 *
Calculate the value of * . State the null and alternative hypotheses for the test. What is the value of test statistic for this test.? Calculate the p-value for this test. and State the conclusion of this test. Give a reason for your answer.
Show all workings.
Given information-
Population mean, μ = 195
Sample size, n = 60
Sample mean, x-bar = 193.13
Population standard deviation, σ = 22.11
Hypothesis Formulation-
Null Hypothesis, H0: μ = 195
Alternate Hypothesis, Ha: μ < 195
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