Question

in a series the number of times an item a occurs is known as... 1. number 2. class frequency 3. cumulative frequency 4. frequency​

Answer 1

Answer:

The number of times a particular item is occurs in a class interval is called its frequency.

For, example the data set is 1,2,3,3,5,6,12,14,23,12,22,16,18. In the data set the frequency of the class interval 10−15 is 3 i.e., the values in the class interval are 12,14,12

Answer 2

Answer:

It is called as Frequency.