Find the arithmetic meaic mean $\bar { x },$ , of , ofthe following set of data.
-3, 9, 27, 81, 243
A)90.75
B)363
C)72.6
D)60.5

Question

Quizplus · Accepted Answer

The arithmetic mean $\bar{x}$ of a set of numbers is found by summing all the numbers and then dividing by the count of the numbers. For the given set 3, 9, 27, 81, 243, the sum is $3 + 9 + 27 + 81 + 243 = 363$, and there are 5 numbers in total. Thus, $\bar{x} = \frac{363}{5} = 72.6$.

Find the Arithmetic Meaic Mean xˉ,\bar { x },xˉ, , of , Ofthe Following Set of Data

Find the Arithmetic Meaic Mean $\bar { x },$ , of , Ofthe Following Set of Data