AP Stats Sem 1 Symbol Quiz

All my Xs live in Texas:

• x̃

• Independent Variable

• x

• Chi

• χ

• Random Variable

• x̄

• Mean of x

• X

• Median of x

The probability of what:

• P(A|B)

• Probability of A given B

• P(A)

• Probability of A or B

• P(A^C)

• Probability of A and B

• P(A∩B)

• Probability of A

• P(A∪B)

• Probability of the complement of A

P all over the place:

• p̂

• sample proportion

• ρ

• correlation

• p

• Probability

• P

• percentile

• p^th

• p-value

It's all Greek to me:

• pi

• mu

• µ

• epsilon

• Sigma

• sigma

It's all Greek to me:

• standard deviation

• 3.1415...

• error

• µ

• summation

• mean

Match the following for a regression line:

• x

• predicted variable

• a

• independent variable

• ŷ

• y-intercept

• b

• slope

Match the following deviations:

• s_y

• standard deviation of independent variable

• s

• standard deviation of dependent variable

• s_x

• sample standard deviation (regression)

• s²

• sample variance (regression)

The quartiles are all over the place:

• Q2

• Maximum

• Q1

• Minimum

• Q3

• Median

• Q0

• Contains 75% of the data

• Q4

• Contains 25% of the data

Match the following miscellaneous letters:

• r²

• sample size

• z

• Correlation coefficient

• r

• Coefficient of Determination

• N

• standard statistic

• n

• Population size

Match the following:

• Standard Deviation

• σ

• Standard Deviation of x

• σ²

• Variance

• σ_y

• Standard Deviation of y

• σ_x