The frequency table shows the heights (in inches) of 130 members of a

The frequency table shows the heights (in inches) of 130 members of a choir.

a) Find the median and IQR.

b) Find the mean and standard deviation.

            Height    Count     Cumulative Count

            60           2             2
            61           6             8
            62           9             17
            63           7             24
            64           5             29
            65           20           49
            66           18           67
            67           7             74
            68           12           86

            69           5             91

            70           11           102

            71           8             110

            72           9             119

            73           4             123
            74           2             125
            75           4             129

            76           1             130



Display these data with a histogram. Don’t try to submit the histogram.

Construct and submit frequency distribution of the data. Show classes, midpoints for each class, frequencies, relative and cumulative frequencies.

Write a few sentences describing the distribution

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