19. L.V. Co. has an average sale of P37 million per week from their products in all their outlets. An area manager found out that the average gross sales from the 28 outlets under her jurisdiction is P32.5 million per week with standard deviation of P1.5 million. Does the mean sales of all outlets differ from the mean sales of the 28 outlets under her jurisdiction? In the given problem, what statistical tool is suitable to use?
19. L.V. Co. has an average sale of P37 million per week from their products in all their outlets. An area manager found out that the average gross sales from the 28 outlets under her jurisdiction is P32.5 million per week with standard deviation of P1.5 million. Does the mean sales of all outlets differ from the mean sales of the 28 outlets under her jurisdiction? In the given problem, what statistical tool is suitable to use?
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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Identify the appropriate test statistic to be used if it is t-test, central limit theorem, chi-square test or z test
Transcribed Image Text:19. L.V. Co. has an average sale of P37 million per week from their products in all their outlets. An area manager found out that
the average gross sales from the 28 outlets under her jurisdiction is P32.5 million per week with standard deviation of Pl.5
million. Does the mean sales of all outlets differ from the mean sales of the 28 outlets under her jurisdiction? In the given
problem, what statistical tool is suitable to use?
20. According to a study, there is an increase on average monthly expenses of P250.00 for cell phone loads of Senior High School
students in the city. Is there a reason to believe that the amount increased if sample of 60 students has an average monthly
expense of P280.00 and the population standard deviation is P77.00? What is the tool to be used in computing the test value?
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