31 Jul mod 03 HW Home
Module 3 Homework Assignment
1. Determine whether the hypothesis test involves a sampling distribution of means that is a normal distribution, Student t distribution or neither. The sample data appear to come from a normally distributed population with σ = 28. Explain.
Claim: μ = 977.
Sample data: n = 25, = 984, s = 25. Explain.
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2. In a sample of 100 M&M’s, it is found that 8% are brown. Use a 0.05 significance level to test the claim that of the Mars candy company that the percentage of brown M&M’s is equal to 13%. Identify the null and alternative hypotheses.
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3. (Refer to problem 2) Find the test statistic.
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4. (Refer to problem 2) Use the Standard Normal Table to find the p-value, critical value(s) and state the decision about the null hypothesis.
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5. (Refer to problem 2) State the conclusion in non-technical terms.
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7. (Refer to Question 6) Find the test statistic.
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8. (Refer to Question 6) Find the critical value(s) and state decision about null hypothesis.
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9. (Refer to Question 6) State the conclusion in non-technical terms.
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10. Find the critical value or values of χ2 based on the given information. H1: σ > 26.1, n = 9, α = 0.01
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