Question

What is the range, standard deviation and variance of the 2 students?


Student A

92 75 89 85 83


Student B

80 86 84 82 83

Answer 1

given solution:-

.

first average of two students:-. 92+75+89+85+83/5

= 424÷5 =84.8

so, answer is 84.8

2 given solution:-

second. average of two students:-. 80 86 84 82 83/5

=415÷5=83

so answer is 83