The marks obtained by 30 students of class X in a school in a 100-mark Mathematics paper are given in the following table. Find the arithmetic mean of the data. [Table — class interval : number of students — 10−25 : 2, 25−40 : 3, 40−55 : 7, 55−70 : 6, 70−85 : 6, 85-100 : 6. Verify the original table at publication.]
Subject: Mathematics | Topic: Statistics | Difficulty: MEDIUM
Options
- (A) 65
- (B) 62
- (C) 76
- (D) 72
Verified Answer
Option (B): 62
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