Given a data set with values 12, 15, 20, 20, 25, 30, and 35, calculate the mean, median, and mode of this data set.
Mean =(12+15+20+20+25+30+35)÷7=22.428
Arranging in ascending order
12,15,20,20,25,30,35
Then find the middle most number
12,15,20, *20* ,25,30,35
Median= 20
Mode is most repeating number. Hence it is 20
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