Question: The expense ratio is a measure of the cost of

The "expense ratio" is a measure of the cost of managing the portfolio. Investors prefer a low expense ratio, all else equal. Below are expense ratios for 23 randomly chosen stock funds and 21 randomly chosen bond funds.
(a) Calculate the mean and median for each sample.
(b) Calculate the standard deviation and coefficient of variation for each sample.
(c) Which type of fund has more variability? Explain.

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