Question

Assume a population of 1, 2, and 12. Assume that samples of size n equals 2 are randomly selected with replacement from the population. Listed below are the nine different samples. Complete parts a through d below. 1,1 1,2 1,12 2,1 2,2 2,12 12,1 12,2 12,12

a. Find the value of the population standard deviation

b. Find the standard deviation of each of the nine samples, then summarise the sampling distribution of the standard deviations in the format of a table representing the probability distribution.

c. find the mean of the sampling distribution of the sample standard deviations.

d. do the sample standard deviations target the value of the population standard deviation? in general, do sample standard deviations make good estimators of population standard deviations? why or why not?

Answer #1

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Listed below are the nine different samples. Complete parts through
d below.
4,4 4,5 4,9 5,4
5,5 5,9
9,4 9,5
9,9
A.) Find the value of the population standard deviation
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then summarize the sampling distribution of the standard deviations
in the format of a table...

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sigma.
sigma =
(Round to three decimal places as needed.)
b. Find the standard deviation of each of the nine...

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HW6#14
Three randomly selected households are surveyed. The numbers of
people in the households are 2, 3, and 10.
Assume that samples of size n=2
are randomly selected with replacement from the population of 2,
3,and 10.
Listed below are the nine different samples. Complete parts (a)
through (c).
2,2
2,3
2,10
3,2
3,3
3,10
10,2
10,3
10,10
A. Find the median of each of the nine samples, then summarize
the sampling distribution of the medians in the format of...

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people in the households are 4, 5, and 9. Assume that samples of
size n = 2 are randomly selected with replacement from the
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different samples.
4,4 4,5
4,9
5,4 5,5 5,9
9,4 9,5 9,9
A. ) Find the median of each nine samples then summarize the
sampling distribution of the medians in the format of a table
representing the...

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2,3
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3,10
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10,3
10,10
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4,
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2,
4,
and
12.
Listed below are the nine different samples. Complete parts (a)
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2,4,
2,12
4,12
12,2
12,4
12,12
a. Find the variance of each of the nine samples, then
summarize the sampling distribution of the variances in the format
of a...

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