Standard Deviation, SM-Bank 010

A dataset is represented by the dot plot drawn below.

Determine the standard deviation of the dataset, giving your answer correct to two decimal places. (2 marks)

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\(\text{Std Dev}\ = 1.25\)

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\(\text{Dataset values:}\ 0, 1, 1, 2, 2, 3, 4 \)

\(\text{By calculator (using Statistics mode):}\)

\(\text{Std Dev}\ = 1.245… = 1.25\ \text{(2 d.p.)} \)