AP Statistics Notation

Front

What does s_x stand for?

Back

Sample standard deviation

Front

Which symbol represents population proportion?

Back

p

Front

What is the Variance of a discrete random variable X?

Back

Var(X)

Front

What does the symbol x̄ represent?

Back

Mean of the sample means

Front

What does the symbol μ represent?

Back

Population mean

Front

What does p̂ represent?

Back

Sample proportion

Front

What is the formula for calculating sample variance?

Back

s² = Σ(x_i - x̄)² / (n - 1)

Front

What does the symbol σ represent?

Back

Population standard deviation

Front

What is the Central Limit Theorem?

Back

The distribution of sample means approaches a normal distribution as the sample size increases.

Front

What does the symbol n represent in statistics?

Back

Sample size