Question

Find the mean of the 32 number such that if the mean of 10 of them is 15, and the mean of 20 of them is 11. The last two number are 10.​

Answer 1

Answer:

last two numbers are 10,so their mean is 10

adding all means give us the mean of total data

Answer 2

Answer:

Check the photos attached for the correct explanation .

Thanks