Question

the class marks of a distribution are 37,42,47,52,57.determine the class size and class term of one last class marks

Answer 1

Class Size is
Last Class term is 55- 59

Answer 2

class marks
$\frac{37 + 42 + 47 + 52 + 57}{5} = \frac{235}{5} = 47$
last class marks is 47