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4. At a restaurant, each customer spends an average of $15.21 to eat. The restaurant is going to offer a special in hopes that each customer will spend more money. The restaurant samples 30 randomly selected people and got an average of $16.54 per customer with a standard deviation of s = 3.71. State the p-value and perform the test using the p-value approach with a level of significance of 5%.

4. At a restaurant, each customer spends an average of $15.21 to eat. The restaurant is going to offer a special in hopes that each customer will spend more money. The restaurant samples 30 randomly selected people and got an average of $16.54 per customer with a standard deviation of s = 3.71. State the p-value and perform the test using the p-value approach with a level of significance of 5%.

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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4. At a restaurant, each customer spends an average of $15.21 to eat. The restaurant is going to offer a special in hopes that each customer will spend more money. The restaurant samples 30 randomly selected people and got an average of $16.54 per customer with a standard deviation of s = 3.71. State the p-value and perform the test using the p-value approach with a level of significance of 5%. 5. A university claims that the average starting salary for their graduates is $ 65,305. A high school senior that is selecting a college to attend thinks that number is smaller and randomly selects 45 graduates of the university and got an average starting salary to be $ 62,592 with a sample standard deviation s = 8,903. State the p-value and perform the test using the p-value approach with a level of significance of 1%. Ⓒhttps://www.teacherspayteachers.com/Store/My-Geometry-World -t Ashley Spencer
Transcribed Image Text:4. At a restaurant, each customer spends an average of $15.21 to eat. The restaurant is going to offer a special in hopes that each customer will spend more money. The restaurant samples 30 randomly selected people and got an average of $16.54 per customer with a standard deviation of s = 3.71. State the p-value and perform the test using the p-value approach with a level of significance of 5%. 5. A university claims that the average starting salary for their graduates is $ 65,305. A high school senior that is selecting a college to attend thinks that number is smaller and randomly selects 45 graduates of the university and got an average starting salary to be $ 62,592 with a sample standard deviation s = 8,903. State the p-value and perform the test using the p-value approach with a level of significance of 1%. Ⓒhttps://www.teacherspayteachers.com/Store/My-Geometry-World -t Ashley Spencer
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