Following are the closing prices (in dollars) of a certain stock for the past 20 trading days. 142.95 149.08 154.10 142.67 153.05 131.34 137.93 121.69 131.46 152.50 142.02 152.17 140.53 126.78 128.04 124.91 133.87 133.52 130.05 136.57 Find the population standard deviation for the closing prices. A) $32.41 B) $138.26 C) $9.85 D) $10.10
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\[ 142.95, 149.08, 154.10, 142.67, 153.05, 131.34, 137.93, 121.69, 131.46, 152.50, 142.02, 152.17, 140.53, 126.78, 128.04, 124.91, 133.87, 133.52, 130.05, 136.57 \] Show more…
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The closing stock price of a certain company for a sample of 10 trading days is shown below. Day Stock Price 1 51 2 54 3 51 4 55 5 52 6 57 7 68 8 60 9 59 10 63 For the sample, determine the following measures. (a) the mean (b) the median (c) the mode (d) the variance (Round your answer to two decimal places.) (e) the standard deviation (Round your answer to two decimal places.) (f) the range
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