Solve the following problems in a separate sheet of paper. Write your solutions .
1. A finite population consists of 8 elements.
10, 10, 10, 10, 10, 12, 18, 40
How many samples of size n = 2 can be drawn from this population?
b. List all the possible samples and the corresponding means.
Construct the sampling distribution of the sample means.
2. The scores of individual students on a national test have a normal distribution with mean 18.6 and standard
deviation 5.9.
3. At Federico Ramos Rural High School, 76 students took the test. If the scores at this school have the same
distribution as national scores, what are the mean and standard deviation of the sample mean for 76
students?
NCE TASK #3
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