Fiona kept the following records of her phone bills for 12 months:
50,
54,
57,
48,
71,
70
Find the mean and median of Fiona’s monthly phone bills.
Solution:-
First arrange the values in ascending order which is given bellow
50,
55,
57,
64,
70,
71
Mean=sum of terms /number of terms
Sum of terms=48+50+54+55+55+57+59+64+66+70+71+17=720
Number of terms=12
So mean=720/12=57
7 th term is 58