AP Stats Sem 1 Symbol Quiz

All my Xs live in Texas:

• x̄

• Independent Variable

• x

• Chi

• χ

• Median of x

• X

• Random Variable

• x̃

• Mean of x

The probability of what:

• P(A^C)

• Probability of A given B

• P(A∩B)

• Probability of A and B

• P(A|B)

• Probability of A or B

• P(A)

• Probability of A

• P(A∪B)

• Probability of the complement of A

P all over the place:

• p^th

• correlation

• ρ

• sample proportion

• P

• Probability

• p̂

• p-value

• p

• percentile

It's all Greek to me:

• sigma

• Sigma

• µ

• mu

• epsilon

• pi

It's all Greek to me:

• error

• standard deviation

• µ

• mean

• 3.1415...

• summation

Match the following for a regression line:

• a

• predicted variable

• b

• y-intercept

• ŷ

• slope

• x

• independent variable

Match the following deviations:

• s_y

• standard deviation of independent variable

• s

• sample variance (regression)

• s_x

• standard deviation of dependent variable

• s²

• sample standard deviation (regression)

The quartiles are all over the place:

• Q4

• Contains 75% of the data

• Q2

• Minimum

• Q1

• Median

• Q3

• Contains 25% of the data

• Q0

• Maximum

Match the following miscellaneous letters:

• z

• Coefficient of Determination

• r²

• Correlation coefficient

• N

• Population size

• r

• standard statistic

• n

• sample size

Match the following:

• Variance

• σ

• Standard Deviation of x

• σ_y

• Standard Deviation

• σ_x

• Standard Deviation of y

• σ²