A grocery store owner claims that the mean amount spent per checkout is at least AED 700. We test the hypothesis Ho: 2700 versus H₁: <700. The null hypothesis is rejected. State the appropriate conclusion. There is enough evidence to conclude that the mean checkout amount is greater than or equal AED 700. The mean checkout amount is at most AED 700. The mean checkout amount is greater than AED 700. O There is not enough evidence to conclude that the mean checkout amount is at least AED 700.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
QUESTION 26
A grocery store owner claims that the mean amount spent per checkout is at least AED 700. We test the hypothesis Ho: 700 versus H₁: <700. The null hypothesis is
rejected. State the appropriate conclusion.
There is enough evidence to conclude that the mean checkout amount is greater than or equal AED 700.
The mean checkout amount is at most AED 700.
The mean checkout amount is greater than AED 700.
O There is not enough evidence to conclude that the mean checkout amount is at least AED 700.
Transcribed Image Text:QUESTION 26 A grocery store owner claims that the mean amount spent per checkout is at least AED 700. We test the hypothesis Ho: 700 versus H₁: <700. The null hypothesis is rejected. State the appropriate conclusion. There is enough evidence to conclude that the mean checkout amount is greater than or equal AED 700. The mean checkout amount is at most AED 700. The mean checkout amount is greater than AED 700. O There is not enough evidence to conclude that the mean checkout amount is at least AED 700.
QUESTION 27
The average score on Midterm Exam over the past years was 80. With new teaching curriculum introduced, it is believed that this score will change. A random sample of
20 students is selected and the mean score was found to be 75 with a standard deviation of 15. Assume the scores are normally distributed, what is the corresponding p-
value of the test?
1
Transcribed Image Text:QUESTION 27 The average score on Midterm Exam over the past years was 80. With new teaching curriculum introduced, it is believed that this score will change. A random sample of 20 students is selected and the mean score was found to be 75 with a standard deviation of 15. Assume the scores are normally distributed, what is the corresponding p- value of the test? 1
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
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