Question

1. Mean of 21, 30, 22, 16, 24, 28, 17 is_______

2. mean of 12 number is 20. if each number is multiplied by 6, then the new mean is_______

3. if arithmetic mean of 30 number is 16,if each number is divided by 4,then the new is________

4. find the arithmetic mean of 25,32,36,38,45,41,35,36______

5. find the arithmetic mean of 23,30,34,36,43,39,33,34_____

6. find the arithmetic mean of 4,12,20,28,36,44,

class 9th maths subject lesson: name statistics​

Answer 1

Answer. Follow me.............

Step-by-step explanation: