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QUESTION 1 A population consists of the following 8 values: 1 2 2 3 5 6 8 9 A SRS without replacement of size 4 will be taken from the population.

I need help with the homework for my statistics class, I just want to understand how to get to the answer because when looking at powerpoints I dont understand how to proceed with the question. I dont need the answer but more of a guide on how to get the answer.

Screen Shot 2018-06-12 at 3.52.50 PM.png

Screen Shot 2018-06-12 at 3.52.50 PM.png

QUESTION 1 A population consists of the following 8 values: 1 2 2 3 5 6 8 9 A SRS without replacement of size 4 will be taken from the population. Let X-bar denote the mean of the future
sample. The mean of the population is m = 4.5 and the standard deviation is o= 2.784. What is the expected value of the sample mean? 04
05.5
06
04.5
05 QUESTION 2 Refer to the scenario presented in Question 1.
Which one of the following is a possible value for X-bar?
Hint: what are the smallest and largest possible values for X-bar? 01.5
01
O7
08 QUESTION 3 Refer to the scenario presented in Question 1.
What is the standard deviation of X—bar? Note: the CF is very important here!
0 0.04559 0 0.9843
0 2.6558
0 1.7563
0 0.7531

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