State whether the standardized test statistic t indicates that you should reject the null hypothesis. Explain. (a) t=2.248 (b) t=0 (c) t=−2.158 (d) t= -2.254 (a) For t=2.248, should you reject or fail to reject the null hypothesis? A. Reject H0, because t<−2.179. B. Fail to reject H0, because t<−2.179. C. Fail to reject H0, because t>−2.179. D. Reject H0, because t>−2.179. (b) For t=0, should you reject or fail to reject the null hypothesis? A. Reject H0, because t>−2.179. B. Fail to reject H0, because t>−2.179. C. Reject H0, because t<−2.179. D. Fail to reject H0, because t<−2.179. (c) For t=−2.158, should you reject or fail to reject the null hypothesis? A. Reject H0, because t<−2.179. B. Reject H0, because t>−2.179. C. Fail to reject H0, because t<−2.179. D. Fail to reject H0, because t>−2.179. (d) For t=−2.254, should you reject or fail to reject the null hypothesis? A. Reject H0, because t>−2.179. B. Fail to reject H0, because t<−2.179. C. Reject H0, because t<−2.179. D. Fail to reject H0, because t>−2.179.
State whether the standardized test statistic t indicates that you should reject the null hypothesis. Explain. (a) t=2.248 (b) t=0 (c) t=−2.158 (d) t= -2.254 (a) For t=2.248, should you reject or fail to reject the null hypothesis? A. Reject H0, because t<−2.179. B. Fail to reject H0, because t<−2.179. C. Fail to reject H0, because t>−2.179. D. Reject H0, because t>−2.179. (b) For t=0, should you reject or fail to reject the null hypothesis? A. Reject H0, because t>−2.179. B. Fail to reject H0, because t>−2.179. C. Reject H0, because t<−2.179. D. Fail to reject H0, because t<−2.179. (c) For t=−2.158, should you reject or fail to reject the null hypothesis? A. Reject H0, because t<−2.179. B. Reject H0, because t>−2.179. C. Fail to reject H0, because t<−2.179. D. Fail to reject H0, because t>−2.179. (d) For t=−2.254, should you reject or fail to reject the null hypothesis? A. Reject H0, because t>−2.179. B. Fail to reject H0, because t<−2.179. C. Reject H0, because t<−2.179. D. Fail to reject H0, because t>−2.179.
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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State whether the standardized test statistic t indicates that you should reject the null hypothesis. Explain.
(a) t=2.248
(b) t=0
(c) t=−2.158
(d) t= -2.254
(a) For t=2.248, should you reject or fail to reject the null hypothesis? A. Reject H0, because t<−2.179. B. Fail to reject H0, because t<−2.179. C. Fail to reject H0, because t>−2.179. D. Reject H0, because t>−2.179. (b) For t=0, should you reject or fail to reject the null hypothesis? A. Reject H0, because t>−2.179. B. Fail to reject H0, because t>−2.179. C. Reject H0, because t<−2.179. D. Fail to reject H0, because t<−2.179. (c) For t=−2.158, should you reject or fail to reject the null hypothesis? A. Reject H0, because t<−2.179. B. Reject H0, because t>−2.179. C. Fail to reject H0, because t<−2.179. D. Fail to reject H0, because t>−2.179. (d) For t=−2.254, should you reject or fail to reject the null hypothesis? A. Reject H0, because t>−2.179. B. Fail to reject H0, because t<−2.179. C. Reject H0, because t<−2.179. D. Fail to reject H0, because t>−2.179.
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