Find f is mean of the following is 18. find f hence find the median.
Median = 20
Median = 15
Median = 10
Median = 9
If the mean height of following is 7.5 cm; find the value of f.
Find the mean deviation about the median for the given data.
xi 5 7 9 10 12 15 fi 8 6 2 2 2 6
Find the mean of the following distribution :
x:4691015f:5101078
Find the median
Find the mode of the following data. xi1014182125fi1015799