Question

find the mode median and mean of data 13 16 12 14 19 12 14 13 14

Answer 1

Refer book NCERT or RD SHARMA or RS AGARWAL

Answer 2

Mode is the frequently occurring observation in a data.We shall first arrange the data in ascending order(we can even arrange it in descending order)12,12,13,13,14,14,14,16,1912-2 times 13-2times14-3 times16-1time19-1timeSol 14 is the mode
Median is the middle most observation.n(number of observations)=9 (odd)(n+1)/2th observation will be the medain9+1/2=10/2=5th observationMedian=14