The ordered array below resulted from selecting a sample of

The ordered array below resulted from selecting a sample of 25 batches of 500 computer chaps and determining how many in each batch were defective Referring to the information, if a frequency distribution for the defects data \"0 but less than 5\" as the first class, the frequency of the \"20 but less than 25\" class would be

Solution

Counting those from 20 to 24 (it says less than 25), there are 6 of them.

Thus, OPTION D: 6 [ANSWER]