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Assume that you reject the null hypothesis of no-difference at a=0.05. This means that if you assume that there is no difference in the population between weather and purchasing behavior, and the probability of getting a sample that deviates as much from the expected values as your sample does is less than 5%, you reject the null. Then, as a statistics expert, you

Assume that you reject the null hypothesis of no-difference at a=0.05. This means that if you assume that there is no difference in the population between weather and purchasing behavior, and the probability of getting a sample that deviates as much from the expected values as your sample does is less than 5%, you reject the null. Then, as a statistics expert, you

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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A car dealer suspects that the weather of the day of the test drive has an effect on the purchasing behavior. The car dealer recorded the observations in a cross-tab. Sunny Cloudy Rainy Total Purchase Made 6. 4 Purchase NỘT Made 4 6. Total Using a Chi-squared test, test the null hypothesis that weather and purchasing behavior are independent against the alternative that they are dependent.
Transcribed Image Text:A car dealer suspects that the weather of the day of the test drive has an effect on the purchasing behavior. The car dealer recorded the observations in a cross-tab. Sunny Cloudy Rainy Total Purchase Made 6. 4 Purchase NỘT Made 4 6. Total Using a Chi-squared test, test the null hypothesis that weather and purchasing behavior are independent against the alternative that they are dependent.
Assume that you reject the null hypothesis of no-difference at a=0.05. This means that if you assume that there is no difference in the population between weather and purchasing behavior, and the probability of getting a sample that deviates as much from the expected values as your sample does is less than 5%, you reject the null. Then, as a statistics expert, you Reject the null Fail to reject the null Wouldn't know what to do O Would flip a coin to decide
Transcribed Image Text:Assume that you reject the null hypothesis of no-difference at a=0.05. This means that if you assume that there is no difference in the population between weather and purchasing behavior, and the probability of getting a sample that deviates as much from the expected values as your sample does is less than 5%, you reject the null. Then, as a statistics expert, you Reject the null Fail to reject the null Wouldn't know what to do O Would flip a coin to decide
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