Homework Answers
Rejection Region
This is left tailed test, for α = 0.1 and df = 15
Critical value of t is -1.341.
Hence reject H0 if t < -1.341
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You wish to test the following claim (H) at a significance level of a = 0.002. H: = 76.8 Hau < 76.8 You believe the population is normally distributed and you know the population standard deviation is o = 12.5. You obtain a sample mean of ä = 71.6 for a sample of size n = 21. a. What is the test statistic for this sample? test statistic - Round to 3 decimal places b. What is the p-value for...
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You wish to test the following claim (Ha) ata significance level of α 0.005 Ho: H...
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You wish to test the following claim (H) at a significance level of a = 0.02. Hou = 79.8 Huu < 79.8 You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 65.5 46 52.9 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)...
You wish to test the following claim (H) at a significance level of a = 0.002. H: = 76.8 Hau < 76.8 You believe the population is normally distributed and you know the population standard deviation is o = 12.5. You obtain a sample mean of ä = 71.6 for a sample of size n = 21. a. What is the test statistic for this sample? test statistic - Round to 3 decimal places b. What is the p-value for...
• Question 11 You wish to test the following claim (Hi) at a significance level of a = 0.005. H:p= 0.74 Hi:p < 0.74 You obtain a sample of size n = 237 in which there are 165 successful observations. What is the critical value for this test? (Report answer accurate to two decimal places.) critical value = Submit Question Question 12 You wish to test the following claim (H) at a significance level of a = -0.001 H:p=0.2 H:p...
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You wish to test the following claim (Ha) ata significance level of α 0.005 Ho: H 65.3 Ha: μ < 65.3 You believe the population is normally distributed and you know the standard deviation is σ-17.2. You obtain a sample mean of M-60.5 for a sample of size n 69 What is the critical value for this test? (Report answer accurate to three decimal places.) critical value- What is the test statistic for this sample? (Report answer accurate to three...
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