Question

calculate mean deviation and standard deviation of the following data
classes:0-9 , 10-19 , 20-29 , 30-39 , 40-49 , 50-59 , 60-69 , 70-79
f: 2 , 3 , 8 , 24 , 27 , 40 , 11 , 5

Answer 1

Answer:

plzmark as a brainliest answer still one to next rank

answer is 474.75

approximately

from

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