# Corresponding 33321

The following data on the height and the corresponding number of pupils were found in the measurement of 63 pupils: 159cm-1,161cm-1,162cm-2,163cm-1,164cm-2,165cm-2,166cm-3,167cm-2,167cm-3 6,172cm-7,173cm-9,174cm -5,175cm-2,177cm-1,178cm-4,179cm-2,181cm-1,

(a) determine the arithmetic mean

b) determine the median mode

c) determine the variance.

d) represent the data using a polygon.

(a) determine the arithmetic mean

b) determine the median mode

c) determine the variance.

d) represent the data using a polygon.

### Correct answer:

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