Question

ROOT2 TAN^45 + COS^2 30 - SIN^60

Answer 1

Answer:

Class Frequency Cumulative Frequency

0-10 12 12

10-20 13 25

20-30 25 50

30-40 20 60

40-50 10 70

Now

2

N

=35. Hence cumulative frequency just greater than 35 is 50. The corresponding class is 20−30.

~