Question

find the grouped mean median and mode of 30,32,33,39,41,41,43,52,53,56,60,62,62,64,64,66,81

Answer 1

mean =30+32+33+39+41+41+43+52+53+56+60+62+62+64+64+66+81/17
=879/17
=51.7
median =n+1/2
=17+1/2
=18/2
=9th observation=53
mode=most frequently occuring observation=41,62,64