A ground frequency table with class intervals of equal sizes using `250-270` (270 not included in
Channel: Doubtnut
Date: 2020-01-19

A ground 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 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, 3i16, 406, 215, 258, 236. The frequency of the class 310-330 is