Below is a target population. Reported Preparation Time per Semester (in hours) 175 Teacher T1 T2 80 T3 96 T4 115

MATLAB: An Introduction with Applications
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Below is a target population.
Reported Preparation Time per Semester
(in hours)
Teacher
T1
175
T2
80
T3
96
T4
115
(a) How many different samples of size n = 2 can be selected by sampling with equal probability without replacement from
the target population above?
(b) Construct a sampling distribution of the sample mean (create a table). (Answer this question on your scrap
рарer) (
nc
le
(c) State the (shortcut) formula for the variance of the sampling distribution of the sample mean (write formula on scrap in
paper) and compute (fill in computed answer below).
bil
variance of the sampling distribution of the sample mean -
1725.67
ple
Transcribed Image Text:Below is a target population. Reported Preparation Time per Semester (in hours) Teacher T1 175 T2 80 T3 96 T4 115 (a) How many different samples of size n = 2 can be selected by sampling with equal probability without replacement from the target population above? (b) Construct a sampling distribution of the sample mean (create a table). (Answer this question on your scrap рарer) ( nc le (c) State the (shortcut) formula for the variance of the sampling distribution of the sample mean (write formula on scrap in paper) and compute (fill in computed answer below). bil variance of the sampling distribution of the sample mean - 1725.67 ple
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