2. 1938 points I Previous Answers PeckDevStat? B.E.007. My Notes Ask Your Teache

Question

2. 1938 points I Previous Answers PeckDevStat? B.E.007. My Notes Ask Your Teacher Consider the following population: 12, 4, 6, 8 Note that the population mean is the following. 2+ 4+ 6 8 (a) Suppose that a random sample of size 2 is to be selected without replacement from this population. There are 12 possible samples (provided that the order in which observations are selected is taken into account): 2, 4 2, 6 2, 8 4, 2 4, 6 4, 8 6, 2 6, 4 6, 8 8, 2 8, 4. 8, 6 Compute the sample mean for each of the 12 possible samples. Sample Sample Mean Sample Sample 2, 6 2,8 8,4 6 4, 6 8, 6 4, 8 Use this information to construct the sampling distribution of x. (Display the sampling distribution as a density histogram.) Density D E Sample mean Use the histogram to complete the table. (Enter the probabilities as fractions.) Column Sample Mean Probability A 017 0.33

Explanation / Answer

please find probabilty table

for second part use this with replacement

Column sample mean Probability A 3 1/6 B 4 1/6 C 5 1/3 D 6 1/6 E 7 1/6

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