Engineering Statistics- 2nd Stage M. Sc. Dina Sami H.w1: A national magazine claims that the average college student watches less television than the general public. The national average is 29.4 hours per week, with a standard deviation of 2 hours. A sample of 30 college students has a mean of 27 hours. Is there enough evidence to support the claim at a= 0.01?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.4: Distributions Of Data
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Engineering Statistics- 2nd Stage
M. Sc. Dina Sami
H.w1: A national magazine claims that the average college student watches less
television than the general public. The national average is 29.4 hours per week, with
a standard deviation of 2 hours. A sample of 30 college students has a mean of 27
hours. Is there enough evidence to support the claim at a= 0.01?
H.w2: The average IQ for the adult population is 100. A researcher believes the
average IQ of adults is lower. A random sample of 5 adults are tested and scored 69,
79, 89, 99, and 109. Is there enough evidence to suggest the average IQ is lower?
Transcribed Image Text:Engineering Statistics- 2nd Stage M. Sc. Dina Sami H.w1: A national magazine claims that the average college student watches less television than the general public. The national average is 29.4 hours per week, with a standard deviation of 2 hours. A sample of 30 college students has a mean of 27 hours. Is there enough evidence to support the claim at a= 0.01? H.w2: The average IQ for the adult population is 100. A researcher believes the average IQ of adults is lower. A random sample of 5 adults are tested and scored 69, 79, 89, 99, and 109. Is there enough evidence to suggest the average IQ is lower?
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