9.3 Sig Sleep Hours A teacher suspects that students at his school are getting less than the recommended 8 hours of sleep a night, on average. To test his belief, the teacher asks a random sample of 28 students, "How much sleep did you get last night?" Here are the data (in hours): 95 99 8 11 6 6 83 8 6 6 6 6.5 10 6 7 7 8 STATE the hypotheses, significance level, and parameter. One-sample t test for mean 9 4.5 49 37 Do these data provide convincing evidence at the a=0.05 significance level in support of the teacher's suspicion? 4 PLAN the inference method and check conditions. 7
9.3 Sig Sleep Hours A teacher suspects that students at his school are getting less than the recommended 8 hours of sleep a night, on average. To test his belief, the teacher asks a random sample of 28 students, "How much sleep did you get last night?" Here are the data (in hours): 95 99 8 11 6 6 83 8 6 6 6 6.5 10 6 7 7 8 STATE the hypotheses, significance level, and parameter. One-sample t test for mean 9 4.5 49 37 Do these data provide convincing evidence at the a=0.05 significance level in support of the teacher's suspicion? 4 PLAN the inference method and check conditions. 7
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![]
5)
05
uchers
O
0.05.
9.3 Significance Testing for Means
Sleep Hours A teacher suspects that students at his school are getting less than the
recommended 8 hours of sleep a night, on average. To test his belief, the teacher asks a
random sample of 28 students, "How much sleep did you get last night?" Here are the data
(in hours):
9
6
5 6
8
11
6
6
8
3
8
6
6
6
6.5
10
6 7
7 8
STATE the hypotheses, significance level,
and parameter.
One-sample t test for mean
9
4.5
Do these data provide convincing evidence at the a=0.05 significance level in support of
the teacher's suspicion?
4 3
4
9 7 7
PLAN the inference method and check
conditions.
DO necessary calculations:
CONCLUDE: interpret p-value, compare
standardized test statistic and p-value. p and a, decide in context
When no alpha is given, use 0.05.
a
EETS](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F08761e0b-7846-4f8c-aaba-fb5a2e9621f6%2F5e638277-be6d-4183-8787-f4b18c809ee3%2Filobhjyj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:]
5)
05
uchers
O
0.05.
9.3 Significance Testing for Means
Sleep Hours A teacher suspects that students at his school are getting less than the
recommended 8 hours of sleep a night, on average. To test his belief, the teacher asks a
random sample of 28 students, "How much sleep did you get last night?" Here are the data
(in hours):
9
6
5 6
8
11
6
6
8
3
8
6
6
6
6.5
10
6 7
7 8
STATE the hypotheses, significance level,
and parameter.
One-sample t test for mean
9
4.5
Do these data provide convincing evidence at the a=0.05 significance level in support of
the teacher's suspicion?
4 3
4
9 7 7
PLAN the inference method and check
conditions.
DO necessary calculations:
CONCLUDE: interpret p-value, compare
standardized test statistic and p-value. p and a, decide in context
When no alpha is given, use 0.05.
a
EETS
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