A traffic survey revealed that the following numbers of vehicles passed through a…

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

Problem

A traffic survey revealed that the following numbers of vehicles passed through a suburban intersection in 5 minute intervals during the day.
<i>Vehicles</i>1 - 56 - 1011 - 1516 - 2021 - 2526 - 3031 - 3536 - 40
<i>Frequency</i>416222814952
For the given data, estimate the: (1) mean (2) standard deviation.

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