Approximate the measures of center for following GFDT.

Data Frequency
50 - 54 2
55 - 59 1
60 - 64 3
65 - 69 6
70 - 74 7
75 - 79 11
80 - 84 10
85 - 89 23
90 - 94 14

mode = 

median = 

mean =    

Report mode and median accurate to one decimal place. Report the mean accurate to two decimal places (or enter as a fraction).

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