Math, asked by Khushiganatra, 1 year ago

Calculate mean, correctly to 1 decimal place . Foe the following frequency distribution
Marks: 0-10 10-20 20-30 30-40, 40-50
No of students : 7 13 15 12 3, respectively of marks

Answers

Answered by shabeerahmed4281
0

Answer:

23.2

Step-by-step explanation:

mean =a+[€fiui/€fi)h

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