If the mean of the following distribution is 54, find the value of (6x + 9y). [Table — class : 0-20, 20-40, 40-60, 60-80, 80-100, total; frequency : 2, 18, x, 6, y, 70. Verify the original table at publication.]
Subject: Mathematics | Topic: Statistics | Difficulty: MEDIUM
Options
- (A) 309
- (B) 313
- (C) 311
- (D) 301
Verified Answer
Option (A): 309
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