Mean= Average, Mode: Value of observation(x) which occurs more often( i.e observation of max frequency). Median: n/2 th or (n+1)/2 th observation for sum of freq if its even & observation for sum of freq odd observations Exercise 14.1 1. A survey was conducted by a group of students as a part of their environment awareness program, in which they collected the following data regarding the number of plants in 20 ho...