Mean, median, standard deviation

I have the following data set.

Bin Frequency
0 to 10 14
10 to 20 9
20 to 30 29
30 to 40 16
40 to 50 28
50 to 60 28
60 to 70 27
70 to 80 16
80 to 90 10
90 to 100 0

How would I go about calculating the aforementioned statistics?

Thanks...

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