A class of students took a Mathematics test. Their scores are represented in the stem-and-leaf diagr

Question

A class of students took a Mathematics test. Their scores are represented in the stem-and-leaf diagram as shown. Find the modal score, the median score, the mean score, the standard deviation of the scores, correct to $3$ significant figures.

Accepted Answer

(a) $27$ marks (b) $27.5$ marks (c) $26.75$ (d) $9.68$

Evaluating Modal, Median, and Mean Values in Discrete Distributions

Evaluating Modal, Median, and Mean Values in Discrete Distributions

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