Statistics
Class 9-10

Mean (Arithmetic Average)

xˉ=xin\bar{x} = \frac{\sum x_i}{n}
102030400100200300400500
x̄ = Σxᵢ/n

Adjust Variables

Sum Σx
S =
1001000

Sum of all values divided by count. The most common measure of central tendency.

Real-World Applications

Academics — GPA is weighted mean of grades.

Sports — Batting average, run rate.

Economics — Per capita income = total income / population.

Quality control — Mean product measurements.

Weather — Average temperature over a month.

Finance — Average stock price over period.

Health — Mean cholesterol levels in a population.

Polling — Average voter preference.

Education — Mean test scores for a class.

Business — Average customer satisfaction score.

Community Explanations

No community explanations yet. Be the first to share yours!

to write your own explanation

Community Aha! Moments

to share your insights

No insights yet. Be the first to share!

Related Formulas

Hope you are finding value and learning something new!

Upgrade to Plus for unlimited access at a price of couple of Samosas!.

Unlimited formula views
All categories unlocked