AP Stats Symbols

Front

What does x̄ stand for?

Back

Sample mean

Front

Which is the symbol for population mean?

Back

μ

Front

What does n represent in statistics?

Back

Sample size

Front

Which is the symbol for sample mean?

Back

x̄

Front

Which is the symbol for sample standard deviation?

Back

s

Front

What does σ represent in statistics?

Back

Population standard deviation

Front

What does Σ represent in statistics?

Back

Summation symbol, used to sum a set of values

Front

What is the symbol for population size?

Back

N

Front

What does s² represent?

Back

Sample variance

Front

What is the difference between x̄ and μ?

Back

x̄ is the sample mean, while μ is the population mean.