If the mean of the following distribution is 50, find the value of (6x + 9y). [Table — Class: 0-20, 20-40, 40-60, 60-80, 80-100, Total; Frequency: 9, 16, x, 2, y, 70]
Subject: Mathematics | Topic: Statistics | Difficulty: MEDIUM
Options
- (A) 297
- (B) 306
- (C) 312
- (D) 301
Verified Answer
Option (B): 306
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