3. Agroup of students got the following scores in a test: 6,9,12,15,18, and 21. Consider samples of size 5 that can be drawn from this population. Show your COMPLETE and ACCURATE SOLUTION. All possible random samples =, c. List all the possible samples and the corresponding mean. SAMPLE МEAN d. Construct the sampling distribution of the sample means. SAMPLE MEAN (X) FREQUENCY PROBABILITY P(X)

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