find mean of given data number of students 15-20 20-25 25-30 30 -35 35

1.	find mean of given data number of students 15-20 20-25 25-30 30 -35 35 -40 40-45 45-50 50-55 number of states 3,8,9,10,3,0,0,2
Answer» Answer: STEP by step explanation total frequency 35 mid value of FIRST class 17.5 '' ''second class 22.5 "' '"THIRD class 27.5 " "fourth class 32.5 " " FIFTH class 37.5 " "SIXTH class 42.5 " "seventh class 47.5 " "eight class 52.5 so answer is 27.42857143

find mean of given data number of students 15-20 20-25 25-30 30 -35 35 -40 40-45 45-50 50-55 number of states 3,8,9,10,3,0,0,2

Answer»

Answer:

STEP by step explanation

total frequency 35

mid value of FIRST class 17.5

'' ''second class 22.5

"' '"THIRD class 27.5

" "fourth class 32.5

" " FIFTH class 37.5

" "SIXTH class 42.5

" "seventh class 47.5

" "eight class 52.5

so answer is 27.42857143

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find mean of given data number of students 15-20 20-25 25-30 30 -35 35 -40 40-45 45-50 50-55 number of states 3,8,9,10,3,0,0,2​

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find mean of given data number of students 15-20 20-25 25-30 30 -35 35 -40 40-45 45-50 50-55 number of states 3,8,9,10,3,0,0,2