You wish to test the following claim (Ha) at a significance level of a = 0.002. H,: 41 - 2 = 0 Ha: µ1 – P2 < 0 You obtain a sample of size nı from the first population. You obtain a sample of size n2 deviation of s2 = 18.7 from the second population. 70 with a mean of 1 85.5 and a standard deviation of s1 = 15.1 70 with a mean of 2 88.7 and a standard %3D %3D **Be sure to test the variances first to determine whether or not you will need to pool.** 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 decimal places.) test statistic = The test statistic is... O in the critical region O not in the critical region

You wish to test the following claim (Ha) at a significance level of a = 0.002. H,: 41 - 2 = 0 Ha: µ1 – P2 < 0 You obtain a sample of size nı from the first population. You obtain a sample of size n2 deviation of s2 = 18.7 from the second population. 70 with a mean of 1 85.5 and a standard deviation of s1 = 15.1 70 with a mean of 2 88.7 and a standard %3D %3D Be sure to test the variances first to determine whether or not you will need to pool. 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 decimal places.) test statistic = The test statistic is... O in the critical region O not in the critical region

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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You wish to test the following claim (HaHa) at a significance level of α=0.005α=0.005. Ho:μ=65.2Ho:μ=65.2 Ha:μ<65.2Ha:μ<65.2You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=101n=101 with mean M=62.6M=62.6 and a standard deviation of SD=7.9SD=7.9.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.) p-value =
You wish to test the following claim (H.) at a significance level of a = = 0.02. H.: 41 Ha: µ1 – µ2 > 0 You obtain a sample of size ị the first population. You obtain a sample of size n2 of s2 57.2 and a standard deviation of s1 85 with a mean of 2 65 with a mean of x1 17.2 from 54.7 and a standard deviation 7.1 from the second population. You will need to determine whether or not to pool so you will use the correct df. What is the critical value for this test? Report answer accurate to three decimal places. critical value =
In a sample of 14 randomly selected high school seniors, the mean score on a standardized test was 1184 and the standard deviation was 162.8. Further research suggests that the population mean score on this test for high school seniors is 1014. Does the t-value for the original sample fall between - to 99 and to 99? Assume that the population of test scores for high school seniors is normally distributed. The t-value of t = fall between to.99 and to.99 because to.99 %3D (Round to two decimal places as needed.)
You wish to test the following claim (Ha) at a significance level of α=0.005 Ho:μ=85.5 Ha:μ≠85.5You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=372 with a mean of M=84.8 and a standard deviation of SD=16.5.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 decimal places.)test statistic = The test statistic is... in the critical region not in the critical region This test statistic leads to a decision to... reject the null accept the null fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the population mean is not equal to 85.5. There is not sufficient evidence to warrant rejection of the claim that the population mean is not equal to 85.5. The sample data support the claim…
You wish to test the following claim (HaHa) at a significance level of α=0.02. Ho:μ=73.3 Ha:μ<73.3You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=106 with a mean of M=72.6. and a standard deviation of SD=5.8.What is the critical value for this test? (Report answer accurate to three decimal places.)critical value = ??? steps tI 84What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = ??? TI 84The test statistic is... in the critical region not in the critical region please and thank youThis test statistic leads to a decision to... reject the null accept the null fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the population mean is less than 73.3. There is not sufficient evidence to warrant rejection of the claim that the population mean is less than…