According to an Experian report, the average credit score for a new-car loan was 713 at the end of 2017. Suppose Ally Financial, a bank holding company that finances car loans, would like to test the hypothesis that the average credit score has increased since the Experian report. A random sample of 20 new-car loans had an average credit score of 724.2 with a sample standard deviation of 34.5. Ally Financial would like to set α=0.05. The critical value for this hypothesis test would be _______. Round to three decimal places.
According to an Experian report, the average credit score for a new-car loan was 713 at the end of 2017. Suppose Ally Financial, a bank holding company that finances car loans, would like to test the hypothesis that the average credit score has increased since the Experian report. A random sample of 20 new-car loans had an average credit score of 724.2 with a sample standard deviation of 34.5. Ally Financial would like to set α=0.05. The critical value for this hypothesis test would be _______. Round to three decimal places.
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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According to an Experian report, the average credit score for a new-car loan was 713 at the end of 2017. Suppose Ally Financial, a bank holding company that finances car loans, would like to test the hypothesis that the average credit score has increased since the Experian report. A random sample of 20 new-car loans had an average credit score of 724.2 with a sample standard deviation of 34.5. Ally Financial would like to set
α=0.05.
The critical value for this hypothesis test would be _______. Round to three decimal places.
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