Homework Help is Here – Start Your Trial Now!
Math
Statistics
Executives of a supermarket chain are interested in the amount of time that customers spend in the stores during shopping trips. The mean shopping time, μ, spent by customers at the supermarkets has been reported to be 35 minutes, but executives have good reason to believe that μ is greater than 35 minutes. The executives hire a statistical consultant and ask her to perform a statistical test. To perform her statistical test, the consultant collects a random sample of shopping times at the supermarkets. She computes the mean of these times to be 39 minutes and the standard deviation of the times to be 10 minutes. Based on this information, complete the parts below. (a) What are the null hypothesis Ho and the alternative hypothesis H, that should be used for the test? Ho :D H₁ :0 (b) Suppose that the consultant decides not to reject the null hypothesis. What sort of error might she be making? (Choose one) (c) Suppose the true mean shopping time spent by customers at the supermarkets is 42 minutes. Fill in the blanks to describe a Type II error. A Type II error would be (Choose one) the hypothesis that μ is (Choose one) when, in fact, μ is (Choose one) (Choose one) ▼ μ 0<0 X X OSO 020 O=O S 0⁰ >O ?

Executives of a supermarket chain are interested in the amount of time that customers spend in the stores during shopping trips. The mean shopping time, μ, spent by customers at the supermarkets has been reported to be 35 minutes, but executives have good reason to believe that μ is greater than 35 minutes. The executives hire a statistical consultant and ask her to perform a statistical test. To perform her statistical test, the consultant collects a random sample of shopping times at the supermarkets. She computes the mean of these times to be 39 minutes and the standard deviation of the times to be 10 minutes. Based on this information, complete the parts below. (a) What are the null hypothesis Ho and the alternative hypothesis H, that should be used for the test? Ho :D H₁ :0 (b) Suppose that the consultant decides not to reject the null hypothesis. What sort of error might she be making? (Choose one) (c) Suppose the true mean shopping time spent by customers at the supermarkets is 42 minutes. Fill in the blanks to describe a Type II error. A Type II error would be (Choose one) the hypothesis that μ is (Choose one) when, in fact, μ is (Choose one) (Choose one) ▼ μ 0<0 X X OSO 020 O=O S 0⁰ >O ?

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
See similar textbooks
icon
Related questions
Question

How to do it what exactly are the steps

0/5 Executives of a supermarket chain are interested in the amount of time that customers spend in the stores during shopping trips. The mean shopping time, μ, ariana Esp spent by customers at the supermarkets has been reported to be 35 minutes, but executives have good reason to believe that u is greater than 35 minutes. The executives hire a statistical consultant and ask her to perform a statistical test. To perform her statistical test, the consultant collects a random sample of shopping times at the supermarkets. She computes the mean of these times to be 39 minutes and the standard deviation of the times to be 10 minutes. Based on this information, complete the parts below. (a) What are the null hypothesis Ho and the alternative hypothesis H₁ that should be used for the test? Н Ho :O 0<0 OSO ☐>0 H₁ :0 0=0 #0 (b) Suppose that the consultant decides not to reject the null hypothesis. What sort of error might she be making? (Choose one) ▼ ? (c) Suppose the true mean shopping time spent by customers at the supermarkets is 42 minutes. Fill in the blanks to describe a Type II error. the hypothesis that u is (Choose one) (Choose one) ▼ A Type II error would be (Choose one) when, in fact, μ is (Choose one) Check MoGrow Hills, All Rights Reserved. Terms of Use | Privacy Center | Accessibility |x X X Ś
Transcribed Image Text:0/5 Executives of a supermarket chain are interested in the amount of time that customers spend in the stores during shopping trips. The mean shopping time, μ, ariana Esp spent by customers at the supermarkets has been reported to be 35 minutes, but executives have good reason to believe that u is greater than 35 minutes. The executives hire a statistical consultant and ask her to perform a statistical test. To perform her statistical test, the consultant collects a random sample of shopping times at the supermarkets. She computes the mean of these times to be 39 minutes and the standard deviation of the times to be 10 minutes. Based on this information, complete the parts below. (a) What are the null hypothesis Ho and the alternative hypothesis H₁ that should be used for the test? Н Ho :O 0<0 OSO ☐>0 H₁ :0 0=0 #0 (b) Suppose that the consultant decides not to reject the null hypothesis. What sort of error might she be making? (Choose one) ▼ ? (c) Suppose the true mean shopping time spent by customers at the supermarkets is 42 minutes. Fill in the blanks to describe a Type II error. the hypothesis that u is (Choose one) (Choose one) ▼ A Type II error would be (Choose one) when, in fact, μ is (Choose one) Check MoGrow Hills, All Rights Reserved. Terms of Use | Privacy Center | Accessibility |x X X Ś
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS