Question 6 • CARE_24_25_TX-Mathematical Models with Applications B
The mean of 2, 5, 6, 8, and 14 is 7. Their squared deviations from the mean add to 25 + 4 + 1 + 1 + 49 = 80; dividing by the 5 data values gives a variance of 16. The standard deviation is √16 = 4, which is choice b.
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