Question

can someone please help me solve this question (click on in the picture)

Answer 1

Answer:

Answer:-

Class interval Frequency x

i

f

i

x

i

0-6 7 3 21

6-12 5 9 45

12-18 10 15 150

18-24 12 21 252

24-30 6 27 162

Σf

i

=40 Σf

i

x

i

=630

mean=

Σf

i

Σf

i

x

i

=

40

630

=15.75

Explanation:

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