The average McDonald's restaurant generates $3.2 million in sales each year with a standard deviation of 0.4. Frank wants to know if the average sales generated by McDonald's restaurants in Texas is different than the worldwide average. He surveys 29 restaurants in Texas and finds the following data (in millions of dollars): 3.1, 3, 4, 3.5, 2.7, 3, 3.3, 3.4, 3.8, 3.4, 3.8, 3.3, 3.1, 2.4, 3.1, 3.5, 3.1, 3.3, 3.9, 3.1, 3.7, 2.5, 3.1, 3, 3.9, 2.9, 2.9, 3.5, 3.3 Perform a hypothesis test using a 10% level of significance. Step 1: State the null and alternative hypotheses. Ho: ? v? v Ho: ? v ? v (So we will be performing a Select an answer v test.) Step 2: Assuming the null hypothesis is true, determine the features of the distribution of point estimates using the Central Limit Theorem. By the Central Limit Theorem, we know that the point estimates are Select an answer v with distribution mean and distribution standard deviation Step 3: Find the p-value of the point estimate. P( ? v? v = P(? v? V p-value = Step 4: Make a Conclusion About the null hypothesis. Since the p-value = ? V = a, we Select an answer the null hypothesis. O We cannot conclude that the mean sales of McDonald's restaurants in Texas differ from average McDonald's sales worldwide. O We conclude that the mean sales of McDonald's restaurants in Texas differ from average McDonald's
The average McDonald's restaurant generates $3.2 million in sales each year with a standard deviation of 0.4. Frank wants to know if the average sales generated by McDonald's restaurants in Texas is different than the worldwide average. He surveys 29 restaurants in Texas and finds the following data (in millions of dollars): 3.1, 3, 4, 3.5, 2.7, 3, 3.3, 3.4, 3.8, 3.4, 3.8, 3.3, 3.1, 2.4, 3.1, 3.5, 3.1, 3.3, 3.9, 3.1, 3.7, 2.5, 3.1, 3, 3.9, 2.9, 2.9, 3.5, 3.3 Perform a hypothesis test using a 10% level of significance. Step 1: State the null and alternative hypotheses. Ho: ? v? v Ho: ? v ? v (So we will be performing a Select an answer v test.) Step 2: Assuming the null hypothesis is true, determine the features of the distribution of point estimates using the Central Limit Theorem. By the Central Limit Theorem, we know that the point estimates are Select an answer v with distribution mean and distribution standard deviation Step 3: Find the p-value of the point estimate. P( ? v? v = P(? v? V p-value = Step 4: Make a Conclusion About the null hypothesis. Since the p-value = ? V = a, we Select an answer the null hypothesis. O We cannot conclude that the mean sales of McDonald's restaurants in Texas differ from average McDonald's sales worldwide. O We conclude that the mean sales of McDonald's restaurants in Texas differ from average McDonald's
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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