In the first proof reading of a book containing 300 pages the following distribution of misprints was obtained: No. of misprints per page `(x)` : 0 1 2 3 4 5 No. of pages `(f)` : 154 95 36 9 5 1 Find the average number of misprints per page.

The following table gives the number of children of 150 families in a village No. of children (x) : 0 1 2 3 4 5 No. of families (f) : 10 21 55 42 15 7 Find the average number of children per family.

The following distribution gives the number of accidents met by 160 workers in a factory during a month. No. of accidents (x) : 0 1 2 3 4 No. of workers (f) : 70 52 34 3 1 Find the average number of accidents per worker.

The following table shows the number of misprints in various pages of a book containing 300 pages Find the mean misprints per page

Isha read 25 pages of a book containing 100 pages. Nagma read 1/2 of the same book. Who read less?

A book of 1,456 pages has 9,95,904 words in it. The number of words in each page is ____.

Ila read 25 pages of a book containing 100 pages.Lalita read (2)/(5) of the same book.Who read less?

Find the missing frequencies in the following frequency distribution if it is known that the mean of the distribution is 1.46. {:(No. of accident (x), 0, 1 , 2 , 3, 4, 5 , Total), (Frequency (f): , 46 , ? , ? , 25 , 10 , 5 , 200):}

A page in a book can have at most 300 words. X = Number of misprints on a page. Then the random variable is

On reading (7)/(12) part of a book and 30 pages, (1)/(3) part of the book remained to be read.How many pages are (5)/(9) part of the book?

Mr. Anant Roy, the renowned author, recently got his new novel released. To his utter dismay he found that for the 1,007 pages on an average there were 2 mistakes every page. While, in the fist 612 pages there were only 434 mistakes, they seemed to increase for the latter pages. Find the average number of mistakes per page for the remaining pages.