Hypothesis test results: U: Mean of variable Họ :H - 2.5 HA :p> 2.5 Variable Sample Mean Std. Err. P-value DF T-Stat Length 2.72424 0.29557683 499 0.75865215 0.2242

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
Section: Chapter Questions
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Technology. In Exercises 9–12, test the given claim by using the display provided from technology. Use a 0.05 significance level. Identify the null and alternative hypotheses, test statistic, P-value (or range of P-values), or critical value(s), and state the final conclusion that addresses the original claim.

Tornadoes Data Set 22 “Tornadoes” in Appendix B includes data from 500 random tornadoes The accompanying StatCrunch display results from using the tornado lengths (miles) to test the claim that the mean tornado length is greater than 2.5 miles.

Hypothesis test results:
U: Mean of variable
Họ :H - 2.5
HA :p> 2.5
Variable Sample Mean
Std. Err.
P-value
DF
T-Stat
Length
2.72424 0.29557683 499 0.75865215 0.2242
Transcribed Image Text:Hypothesis test results: U: Mean of variable Họ :H - 2.5 HA :p> 2.5 Variable Sample Mean Std. Err. P-value DF T-Stat Length 2.72424 0.29557683 499 0.75865215 0.2242
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