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Author Question: Consider the following discrete population distribution:X2468P(X=x)0.130.340.230.30We randomly draw ... (Read 66 times)

bvyeehaw

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Question 1

Consider a large population with a mean of 150 and a standard deviation of 27. A random sample of size 36 is taken from this population. What is the standard error of the sampling distribution of the sample mean?

4.17


4.50


5.20


5.56



Question 2

Consider the following discrete population distribution:

X2468
P(X=x)0.130.340.230.30

We randomly draw samples of size 5 from this population using the simple random sampling technique. If we know thatμx= 5.4,σx= 2.069, what are the mean and the standard deviation of the sampling distribution of sample means? Assume the Central Limit Theorem applies.


μ\(\style{font-family:Times New Roman;}{\overline x}\)= 5.4,σ\(\style{font-family:Times New Roman;}{\overline x}\)= 2.069


μ\(\style{font-family:Times New Roman;}{\overline x}\)= 1.08,σ\(\style{font-family:Times New Roman;}{\overline x}\)= 0.4138


μ\(\style{font-family:Times New Roman;}{\overline x}\)= 5.4,σ\(\style{font-family:Times New Roman;}{\overline x}\)= 0.9253


μ\(\style{font-family:Times New Roman;}{\overline x}\)= 5.4,σ\(\style{font-family:Times New Roman;}{\overline x}\)= 0.4138



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Marked as best answer by bvyeehaw on Feb 26, 2023

lhn821

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bvyeehaw

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Reply 2 on: Feb 26, 2023
Great answer, keep it coming :)


bbburns21

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Reply 3 on: Yesterday
:D TYSM

 

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