Question

calculate arithmetic mean using direct
and short cut method
20, 44, 65, 28, 45,67 ,30, 50 ,68
39, 53, 70., 40,60, 75​

Answer 1

Answer:

47.125

Step-by-step explanation:

1. at first claculate all number.
2. then divide them with how many total number are there.
3. at last you will get the answer