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Road Transport Department claims that the mean speed of cars on a highway is 114 km/h. An insurance company took a random sample of 21 cars driven on a highway and found that the test statistic is -22913. Can we accept the Road Transport Department's claim at 5% level of significance? (Hint: o uninown) (a) The correct null hypothesis to illustrate the above situation is Ho : - 114 Choose m) Choose the correct critical value. Choose (c) Determine the decision to reject or not to reject the null hypothesis. Choose (4) Based on your decision in (4), can we accept the daim? Choove

Road Transport Department claims that the mean speed of cars on a highway is 114 km/h. An insurance company took a random sample of 21 cars driven on a highway and found that the test statistic is -22913. Can we accept the Road Transport Department's claim at 5% level of significance? (Hint: o uninown) (a) The correct null hypothesis to illustrate the above situation is Ho : - 114 Choose m) Choose the correct critical value. Choose (c) Determine the decision to reject or not to reject the null hypothesis. Choose (4) Based on your decision in (4), can we accept the daim? Choove

MATLAB: An Introduction with Applications
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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Road Transport Department claims that the mean speed of cars on a highway is 114 km/h. An insurance company took a random sample of 21 cars driven on a highway and found that the test statistic is -22913. Can we accept the Road Transport Department's claim at 5% level of significance? (Hint: o uninown) (a) The correct null hypothesis to illustrate the atbove situation is H, : 4- 114 Choose. m) Choose the correct critical value. Choose. (c) Determine the decision to reject or not to reject the null hypothesis. Choose. (d) Based on your decision in (4), can we accept the daim? Choose
Transcribed Image Text:Road Transport Department claims that the mean speed of cars on a highway is 114 km/h. An insurance company took a random sample of 21 cars driven on a highway and found that the test statistic is -22913. Can we accept the Road Transport Department's claim at 5% level of significance? (Hint: o uninown) (a) The correct null hypothesis to illustrate the atbove situation is H, : 4- 114 Choose. m) Choose the correct critical value. Choose. (c) Determine the decision to reject or not to reject the null hypothesis. Choose. (d) Based on your decision in (4), can we accept the daim? Choose
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