Consider a population consisting of the following five values, which represent the number of video downloads during the academic year for each of five housemates. 9 15 17 11 12 (a) Compute the mean of this population. H=12.8 (b) Select 13 random sample of size 2 by writing the five numbers in this population on slips of paper, mixing them, and then selecting two. Calculate the mean for your sample. (c) Repeatedly select random samples of size 2, and calculate the X value for each sample until you have the X values for 25 samples. Describe your results. This answer has not been graded yet. li (d) Construct a density histogram using the 25 x values. Are most of the x values near the population mean? Do the x values differ a lot from sample to sample, or do they tend to be similar? This answer has not been graded yet.

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