To test Hg: u= 103 versus H,: u# 103 a simple random sample of size n= 35 is obtained. Complete parts a through e below. E Click here to view the t-Distribution Area in Right Tail. (a) Does the population have to be normally distributed to test this hypothesis? Why? O A. Yes, because n2 30. O B. No, because n2 30. OC. Yes, because the sample is random. O D. No, because the test is two-tailed. (b) If x = 99.9 ands= 5.7, compute the test statistic. The test statistic is to = (Round to two decimal places needed.) (c) Draw a t-distribution with the area that represents the P-value shaded. Choose the correct graph below. O A. OB. OC. (d) Approximate the P-value. Choose the correct answer below. O A. 0.005 < P.value < 0.01 O B. 0.002 < P.value < 0.005 OC. 0.01

To test Hg: u= 103 versus H,: u# 103 a simple random sample of size n= 35 is obtained. Complete parts a through e below. E Click here to view the t-Distribution Area in Right Tail. (a) Does the population have to be normally distributed to test this hypothesis? Why? O A. Yes, because n2 30. O B. No, because n2 30. OC. Yes, because the sample is random. O D. No, because the test is two-tailed. (b) If x = 99.9 ands= 5.7, compute the test statistic. The test statistic is to = (Round to two decimal places needed.) (c) Draw a t-distribution with the area that represents the P-value shaded. Choose the correct graph below. O A. OB. OC. (d) Approximate the P-value. Choose the correct answer below. O A. 0.005 < P.value < 0.01 O B. 0.002 < P.value < 0.005 OC. 0.01

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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Test the claim about the difference between two population means u, and u, at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. Claim: µ1 = H2; a = 0.01 Population statistics: o, = 3.5, o2 = 1.4 Sample statistics: x, = 17, n, = 31, X2 = 15, n2 = 30 Determine the alternative hypothesis. Ha: H1 # H2 Determine the standardized test statistic. z= 2.95 (Round to two decimal places as needed.) Determine the P-value. P-value = (Round to three decimal places as needed.)
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