The winning margins in 100 basketball games were recorded

MATHEMATICS · Multi-part · CBSE · Mathematics · Statistics · Statistics

Problem

The winning margins in 100 basketball games were recorded. The results are summarised alongside.
Margin (points)Frequency
1 - 1013
11 - 2035
21 - 3027
31 - 4018
41 - 507
(1) Explain why you cannot calculate the mean winning margin from the table exactly. (2) Estimate the mean winning margin.

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