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Q5. The director of factory believes that the average of labour spent on daily break is more than 100 mins. A sample of size 40 is tested and found that the average of labour spending as a break is 101.5 mins. From previous records it's known that the standard deviation of time spent as a daily break is 4 mins. With a significance of 0.05 test the claim on the time spent as a break.

Q5. The director of factory believes that the average of labour spent on daily break is more than 100 mins. A sample of size 40 is tested and found that the average of labour spending as a break is 101.5 mins. From previous records it's known that the standard deviation of time spent as a daily break is 4 mins. With a significance of 0.05 test the claim on the time spent as a break.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Q5. The director of factory believes that the average of labour spent on daily break is more than 100 mins. A sample of size 40 is tested and found that the average of labour spending as a break is 101.5 mins. From previous records it's kmown that the standard deviation of time spent as a daily break is 4 mins. With a significance of 0.05 test the claim on the time spent as a break.
Transcribed Image Text:Q5. The director of factory believes that the average of labour spent on daily break is more than 100 mins. A sample of size 40 is tested and found that the average of labour spending as a break is 101.5 mins. From previous records it's kmown that the standard deviation of time spent as a daily break is 4 mins. With a significance of 0.05 test the claim on the time spent as a break.
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