A dispensing machine is set to pour an average of 5 ounces of carbonated soft drink into automatically falling cups into cups that drop automatically. To test whether the machine has not suffered from maladjustments, a random sample of 45 filled glasses is taken, with the mean being x̄=4.7 ounces, with a variance of 0.36 ounces2Is the machine operating correctly? Use a significance level of 5%.
A dispensing machine is set to pour an average of 5 ounces of carbonated soft drink into automatically falling cups into cups that drop automatically. To test whether the machine has not suffered from maladjustments, a random sample of 45 filled glasses is taken, with the mean being x̄=4.7 ounces, with a variance of 0.36 ounces2Is the machine operating correctly? Use a significance level of 5%.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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A dispensing machine is set to pour an average of 5 ounces of carbonated soft drink into automatically falling cups into cups that drop automatically. To test whether the machine has not suffered from maladjustments, a random sample of 45 filled glasses is taken, with the mean being x̄=4.7 ounces, with a variance of 0.36 ounces2
Is the machine operating correctly? Use a significance level of 5%.
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