Sec 3/4 E Math T14-Q33 - Mean and standard deviation of ungrouped data

Sec 3/4 E Math T14-Q33 - Mean and standard deviation of ungrouped data

Secondary 3
Original parallel to Sec3&4 E Math FA

The data are \(7, 9, 10, 11, 11, 12, 14, 15\).

  1. Calculate the mean.
  2. Calculate the standard deviation, giving your answer correct to 3 significant figures.

Solution:

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Answer:(a) \(11.125\); (b) \(2.421\).

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