Question

The following are the weights (in kg wt) of 8 students:
49.3, 43, 51.2, 49.5, 50.2, 45, 45.5, 48.3
i. Find the mean weight.
ii How many students have weights more than the mean weight?
iii. If a student whose weight is 59 kg wt is also included, then what will be the mean weight?​

Answer 1

Answer:

1. Mean =Sum of all values/No.of values

Mean =(49.3+43+51.2+49.5+50.2+45+45.5+48.3)/8

=47.75

2.5 students

3.(47.75+59)/2

=53.375

Answer 2

Answer:

mean= 1)49.3+43+5.2+49.5+50.2+45+45.5+48.3/8

=55.78

2)no one

3)mean=114.78