the height in cm of 20 children selected for a competition are given below. 96,90,98,105,90,96,120,115,96,98,112,90,88,110,90,96,110,92,90. Make a frequency table for the data using tally marks and then fund the mean height.
Answers
Answered by
6
mean=sum of observations
no of observations
=96+90+98+105+90+96+120+115+96+98+112+90+88+110+90+96+110+92+90
20
now you find the answer
no of observations
=96+90+98+105+90+96+120+115+96+98+112+90+88+110+90+96+110+92+90
20
now you find the answer
van18:
20 IS the total no of observations
Similar questions