16 Essay 1 point A sample of 9 mothers was asked the age of their oldest child. Their responses are given below. 3 12 4 7 14 6 2 9 11 a. Compute the mean. b. Compute the variance. c. Compute the standard deviation. d. Compute the coefficient of variation. e. Determine the 25th percentile. f. Determine the median. g. Determine the 75th percentile. h. Determine the range.
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To make calculations easier, sort the data in ascending order: 2, 3, 4, 6, 7, 9, 11, 12, 14. The number of data points, n, is 9. Show more…
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A sample of 9 mothers was asked the age of their oldest child. Their responses are given below: 3 12 4 7 14 6 2 9 11 a. Compute the mean. b. Compute the variance. c. Compute the standard deviation. d. Compute the coefficient of variation. e. Determine the 25th percentile. f. Determine the median. g. Determine the 75th percentile. h. Determine the range.
Sri K.
A sample of 9 mothers was taken. The mothers were asked the age of their oldest child. You are given their responses below: 4, 13, 5, 8, 15, 8, 4, 11, 13 (a) Compute the mean. (b) Compute the variance. (c) Compute the standard deviation. (Round your answer to two decimal places.) (d) Compute the coefficient of variation, as a percent. (Round your answer to two decimal places.) (e) Determine the 25th percentile. (f) Determine the median. (g) Determine the 75th percentile. (h) Determine the range.
Adi S.
A sample of 9 mothers was taken. The mothers were asked the age of their oldest child. You are given their responses below: 3 12 4 7 14 6 2 9 11 a. Compute the mean. b. Compute the variance. c. Compute the standard deviation. d. Determine the median e. Determine the range. Answers a. 7.56 b. 17.78 c. 4.22 d. 7.0 e. 12
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