Write the correct answer in the following: A grouped frequency ta… - Vidyadip

MCQ

Write the correct answer in the following: A grouped frequency table with class intervals of equal sizes using $250-270$ ($270$ not included in this interval) as one of the class interval is constructed for the following data: $268, 220, 368, 258, 242, 310, 272, 342, 310, 290, 300, 320, 319, 304, 402, 318, 406, 292, 354, 278, 210, 240, 330, 316, 406, 215, 258, 236$. The frequency of the class $310-330$ is:

A
$4$
B
$5$
✓
$6$
D
$7$

✓

Answer

Correct option: C.

$6$

The observation corresponding to class $310–330$ ($330$ not included in this interval) are $310, 310, 320, 319, 318, 316,$ i.e., $6$ observations.

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