8. PROBLEM SOLVING: Solve the following problems and answer the questions that follow 1. Suppose that random samples of size 4 are taken from this population 8, 12, 16, 20 24 and 28. Answer the questions that follow a. Using nC formula, how many possible samples of size 4 can be drawn from the population? Solution 6C4= b The possible samples are given below find its corresponding mean POSSIBLE SAMPLES SAMPLE MEAN 8,12,16,20 8,12,16.24 8,12,16.28 X 8,12,20,24 71 8,12,20,28 8,12,24,28 Example: 8,16,20,24 8,16,20 28 8,16,24,28 8,20,24,28 12.16,20,24 Sample mean is 14 12.16 20.28 12,16,24,28 12,20,24,28 16,20,24.28 cComplete the sampling distribution of the sample means SAMPLE MEAN FREQUENCY PROBABILITY P(X) X 8+12+16+20 =14

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