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
You wish to test the following claim (H) at a significance level of a = 0.10....
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...
You wish to test the following claim (H) at a significance level of a = 0.10. Họ: A = 82.4 H: > 82.4 You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 87.8 79.2 79.2 87.8 76.9 99.3 86.7 91.3 87.4 88.7 78.6 84 What is the critical value for this test? (Report answer accurate to three decimal places.) critical value = What is the test...
= 0.10. You wish to test the following claim (H) at a significance level of a Ho 55.5 H1 55.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: data 56.8 73.6 92.6 87.7 44.2 52.2 81.2 66.7 98.1 64.1 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...
You wish to test the following claim ( H 1 ) at a significance level of α = 0.005 . H o : μ = 63.1 H 1 : μ < 6 3.1 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 26 with a mean of ¯ x = 60.6 and a standard deviation of s = 8.5 . What is the critical value for...
You wish to test the following claim (H) at a significance level of a = 0.05. For the context of this problem, d= 22 - 21 where the first data set represents a pre-test and the second data set represents a post-test. H:Hd = 0 H:Hd < 0 – 11.9 You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain pre-test and post-test samples for n= 85 subjects. The average...
You wish to test the following claim (H) at a significance level of a = 0.10. How > H2 H:41 <12 You believe both populations are turmally distributed, but you do not know the standard deviations for either. You obtain a sample of size 11 = 11 with a mean of Mi = 66.6 and a standard deviation of SD = 20.9. You obtain a sample of size ng = 11 with a mean of M2 = 74.8 and a...
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...
You wish to test the following claim (H) at a significance level of a = 0.002. H:n = 68.7 H: 4 < 68.7 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 54 with mean M = 66.7 and a standard deviation of SD = 18.8. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is...