Question

4 Find the mean of the following data
x 10, 20, 36, 40, 50, 56, 50,70, 72, 80, 88, 92, 95

f 1, 1, 3, 4, 3, 2, 4, 4, 1, 1, 2, 3, 1 ​

Answer 1

Answer:

find the sum of the following numbers 62,099 2,505 6,75,694 75,889

1813.682

2. 7,38,673

3. 8,16,178

4. 8,16,187