Question

Given X1=20 and X2= -20. The arithmetic mean will be: *​

Answer 1

Answer:

The arithmetic mean will be opposite vector.

Explanation:

when two vector's direction will opposite that will mean

Answer 2

Answer:

The arithematic mean is 0.

Explanation:

The arithmetic mean is the average of two numbers. Adding a negative number is the same as Subtracting a negative number.

So the mean is X1 + (-X2) ÷ 2. 20+(-20)\2 = 0.

The average of both numbers is 0.