Question

foemula of mean , mode and median.

Answer 1

mean = sum of all observations/ total no. of observation

mode = the no. which appeared most frequently

median

1. arrnage the no. in ascending order
2. count the total no. of observations ( n )
3. if the no. of observation is odd the apply the formula
n+ 1 / 2

4 if the no of observations are even then apply the formula 1/2 * n/2 + n +1/ 2

Answer 2

Mean=sum of observations /no of observations
Mode is the most frequently repeated digit
Arrange the given data in ascending or descending order the middle term is the median. If the no of terms are even the mean of the middle terms become median