Statistics Math Problems
rachrvModule 5 Homework Assignment
1. Find the critical value or values of χ2 based on the given information. H1: σ > 26.1, n = 9, α = 0.01
Solution:
Instructor Comments:
2. Test the claim that for the adult population of one town, the mean annual salary is given by
μ = 30,000. Sample data are summarized as n = 17, = $22,298, and s = $14,200. Use a significance level of α = 0.05. State the null and alternative hypotheses.
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3. (Refer to Question 2) Find the test statistic.
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4. (Refer to Question 2) Find the critical value(s) and state and explain decision about null hypothesis.
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5. (Refer to Question 2) State the conclusion in nontechnical terms.
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6. A manufacturer uses a new production method to produce steel rods. A random sample of 17 steel rods resulted in lengths with a standard deviation of 4.7 cm. At the 0.10 significance level, test the claim that the new production method has lengths with a standard deviation different from 3.5 cm, which was the standard deviation for the old method. State the null and alternative hypotheses.
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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 and explain the decision about the null hypothesis.
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9. (Refer to Question 6) State conclusion in nontechnical terms.
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10. (Refer to Question 6) Calculate and show the confidence interval based on the significance level given above. Are the results the same as in question 8 and 9?
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NOT RATEDModule 5 Homework Assignment
1. Find the critical value or values of χ^{2}based on the given information. H_{1}: σ > 26.1, n = 9, α = 0.01
Solution:
Instructor Comments:
2. …
5 years agoModule 5 Assignment
NOT RATEDModule 5 Homework Assignment
1. Find the critical value or values of χ^{2}based on the given information. H_{1}: σ > 26.1, n = 9, α = 0.01
Solution:
Instructor Comments:
2. …
5 years agoStatistics Math Problems
NOT RATEDModule 5 Homework Assignment
1. Find the critical value or values of χ2 based on the given information. H1: σ > 26.1, n = 9, α = 0.01
Solution:
Instructor Comments:
2. Test the …
5 years agoStatistics Math Problems
NOT RATEDModule 5 Homework Assignment
1. Find the critical value or values of χ2 based on the given information. H1: σ > 26.1, n = 9, α = 0.01
Solution:
Instructor Comments:
2. Test the …
5 years agoModule 05 Homework
NOT RATEDThe Module 05 Homework assignment covers Section 8.4 and 8.5 which covers the procedure for hypothesis testing and testing a hypothesis testing for a population proportion.
For the Module 05 Homework, …
5 years agoModule 5 Homework Assignment
NOT RATED1.Find the critical value or values ofχ^{2}based on the given information.H_{1}:σ> 26.1,n= 9,α= 0.01
Solution:
…
4 years agoModule 5 statistics
NOT RATEDThe Module 05 Homework assignment covers Section 8.4 and 8.5 which covers the procedure for hypothesis testing and testing a hypothesis testing for a population proportion.
For the Module 05 Homework, …
4 years agoModule 05 Homework Need someone who is good at math
NOT RATEDThe Module 05 Homework assignment covers Section 8.4 and 8.5 which covers the procedure for hypothesis testing and testing a hypothesis testing for a population proportion.
For the Module 05 Homework, …
5 years ago