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6 months with a standard de nce to conclude that the groce esos every 6 months at a = 5

6 months with a standard de nce to conclude that the groce esos every 6 months at a = 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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Please don’t use excel
3. Twenty randomly selected groceries in Cebu City have an average sale of 41 thousand pesos every 6 months with a standard deviation of 5.2 thousand pesos. Is there enough evidence to conclude that the groceries are not selling an average above 42 thousand pesos every 6 months at a = 5%?
Transcribed Image Text:3. Twenty randomly selected groceries in Cebu City have an average sale of 41 thousand pesos every 6 months with a standard deviation of 5.2 thousand pesos. Is there enough evidence to conclude that the groceries are not selling an average above 42 thousand pesos every 6 months at a = 5%?
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