The image with the table is the answer to question 3. The possible samples with mean tenure are:12, 14, 6, 19,12S.No.12345678910Sample(12, 14)(12, 6)(12, 19)(12, 12)(14, 6)(14, 19)(14, 12)(6, 19)(6, 12)(19, 12)Samplemean13915.5121016.51312.5915.5 4. Under simple random sampling, what is the probability of each sample you wrote down inquestion 3?5. For each CEO, calculate the probability that he/she is selected into a sample. Comment onyour answer.6. Use your answers to questions 3 and 4 to write down the probability distribution of thesample mean x (i.e. a table with possible outcomes and associated probabilities).

We need to perform the simple random sampling and find the probability for each sample and also…

Answered: The possible samples with mean tenure…

Math

Statistics

The possible samples with mean tenure are 12, 14, 6, 19,12 S.No. Sample (12. 14) Sample mean 13

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The image with the table is the answer to question 3.

The possible samples with mean tenure are:
12, 14, 6, 19,12
S.No.
1
2
3
4
5
6
7
8
9
10
Sample
(12, 14)
(12, 6)
(12, 19)
(12, 12)
(14, 6)
(14, 19)
(14, 12)
(6, 19)
(6, 12)
(19, 12)
Sample
mean
13
9
15.5
12
10
16.5
13
12.5
9
15.5

4. Under simple random sampling, what is the probability of each sample you wrote down in
question 3?
5. For each CEO, calculate the probability that he/she is selected into a sample. Comment on
your answer.
6. Use your answers to questions 3 and 4 to write down the probability distribution of the
sample mean x (i.e. a table with possible outcomes and associated probabilities).

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Follow-up Questions

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Follow-up Question

7. Calculate the expected value of x. How does your answer compare to the population mean
of tenure?
8. Suppose that you sampled 2 CEOs with replacement instead. How many different samples
are possible, and what is the probability of each sample occurring?

Solution

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