3. The operations manager of a sales company wants to see whether there is a significant difference in the ages of male and female customers. He selected a sample of 35 samples for each group. The ages are shown in the table below: Male x₁ = 27.3 Female x₂ = 28 %₂= 3.1 ₁ = 2.4 n₁ = 35 n₂ = 35 At a = 0.05, decide if there is enough evidence to reject the claim of no difference in the ages of the two groups. Solution: Step 1: Null and alternative hypothesis Ho: H₂: Step 2: Significance level α = Step 3: Test statistic: Step 4: Decision rule: Step 5: Decision:
3. The operations manager of a sales company wants to see whether there is a significant difference in the ages of male and female customers. He selected a sample of 35 samples for each group. The ages are shown in the table below: Male x₁ = 27.3 Female x₂ = 28 %₂= 3.1 ₁ = 2.4 n₁ = 35 n₂ = 35 At a = 0.05, decide if there is enough evidence to reject the claim of no difference in the ages of the two groups. Solution: Step 1: Null and alternative hypothesis Ho: H₂: Step 2: Significance level α = Step 3: Test statistic: Step 4: Decision rule: Step 5: Decision:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Hypothesis Testing:
Testing the Population Mean
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