Question

7. In an inquiry of a book of 215 pages, the frequency distribution of printing mistakes per pag is obtained as follows. Find the mean of printing mistakes. No. of printing mistakes O 1 2 3 4 5 No. of pages 68 100 22 10 10 5​

Answer 1

Explanation:

Answer

Answer:-

No. of misprints

per page (x) No. of pages (f) fx

0 154 0

1 95 95

2 36 72

3 9 27

4 5 20

5 1 5

Σf=300 Σf=219

Average number of misprints per page

x

ˉ

=

Σf

Σfx

=

300

219

=0.73