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Sagot :
The buyer concludes that there is not a significant difference between the observed t-shirt sales and the expected t-shirt sales.
Given :
goodness of fit 5. a buyer for a t-shirt shop wants to compare the proportion of t-shirts of each size that are sold to the proportion that were ordered. the buyer counts the number of t-shirts of each size that are sold in a week.
Test :
Test Contribution
Category Observed Proportion Expected to Chi-Square
Small 25 0.1 22.5 0.277778
Medium 41 0.2 45.0 0.355556
Large 91 0.4 90.0 0.011111
Extra Large 68 0.3 67.5 0.003704
The overall chi-square statistic is 0.648 and has a p-value of 0.885. Because the p-value is greater than the significance level of 0.05, the buyer fails to reject the null hypothesis.
Learn more about the hypothesis here :
https://brainly.com/question/29576929
#SPJ4
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