Question
The following frequency table summarizes the distances in miles of 100 patients from a regional hospital. Distance Frequency 0-4 40 4-8 30 8-12 22 12-16
The following frequency table summarizes the distances in miles of 100 patients from a regional hospital. Distance Frequency
0-4 40
4-8 30
8-12 22
12-16 6
16-20 2 Calculate the sample variance and standard deviation for this data (since it is a case of grouped data- use group or class midpoints in the formula in place of X values, and first calculate the sample mean).
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Linear Algebra and Its Applications
Authors: David C. Lay
4th edition
321791541, 978-0321388834, 978-0321791542
