The number of books in different shelves of a library are as follows:30, 32, 28, 24, 20, 25, 38, 37, 40, 45, 16, 2019, 24, 27, 30, 32, 34, 35, 42, 27, 28, 19, 34,38, 39, 42, 29, 24, 27, 22, 29, 31, 19, 27, 2528, 23, 24, 32, 34, 18, 27, 25, 37, 31, 24, 23,43, 32, 28, 31, 24, 23, 26, 36, 32, 29, 28, 21Prepare a cumulative frequencies distribution table using 45-49 as the last class-interval.

The number of books in different shelves of a library are as follows:3

1.	The number of books in different shelves of a library are as follows:30, 32, 28, 24, 20, 25, 38, 37, 40, 45, 16, 2019, 24, 27, 30, 32, 34, 35, 42, 27, 28, 19, 34,38, 39, 42, 29, 24, 27, 22, 29, 31, 19, 27, 2528, 23, 24, 32, 34, 18, 27, 25, 37, 31, 24, 23,43, 32, 28, 31, 24, 23, 26, 36, 32, 29, 28, 21Prepare a cumulative frequencies distribution table using 45-49 as the last class-interval.
Answer» The number of books in different shelves of a library are as follows: 30, 32, 28, 24, 20, 25, 38, 37, 40, 45, 16, 20 19, 24, 27, 30, 32, 34, 35, 42, 27, 28, 19, 34, 38, 39, 42, 29, 24, 27, 22, 29, 31, 19, 27, 25 28, 23, 24, 32, 34, 18, 27, 25, 37, 31, 24, 23, 43, 32, 28, 31, 24, 23, 26, 36, 32, 29, 28, 21 Prepare a cumulative frequencies distribution table using 45-49 as the last class-interval.