Question

The marks of 20 students in Mathematics are given below.
56, 32, 57, 74, 12, 45, 68, 87, 11, 34, 53, 23, 47, 24, 78, 37, 68, 79, 44, 67.
(i) Find the average marks.
(ii) Divide the class into two groups on the basis of the class performance.

Answer 1

Answer:

The average is =48.8

Step-by-step explanation:

We know that average = sum of all observation ÷ total number of observation

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