Math, asked by deepasinha, 9 months ago

(c) Marks obtained by 40 students is given below, where a and b are two missing data.
If the mean of the distribution is 7.2. find a and b.
Number of students :
Marks 5 6 7 8 9
Number 6 a 16 13 b

Answers

Answered by VishuPoonia

1

Step-by-step explanation:

a is 1 and b. is 4 this is the right answer

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