Question:

The following frequency distribution table shows the amount of aid given to 50 flood affected families. Find the mean of the amount of aid.

Maharashtra Board Solutions for Class 10 Maths Part 1 chapter 6 - Image 52

Answer:

Using given data, we can construct a table which is mentioned below.

Maharashtra Board Solutions for Class 10 Maths Part 1 chapter 6 - Image 53

Mean is given by

Maharashtra Board Solutions for Class 10 Maths Part 1 chapter 6 - Image 54

⇒ Mean = 3620/50
⇒ Mean = 72.4
Now, since the amount of aid is given in thousand rupees.
Then, Mean = 72.4 × 1000
⇒ Mean = 72400
Thus, mean amount of aid is Rs. 72,400.

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