One-Variable Data
A type of graph that displays frequency, separated into bins.
What is a histogram?
\hat{y}
What is the predicted value?
A study in which the subjects are directly interacted with.
What is an experiment?
What is the sample space?
Use this on the calculator to find the probability in a normal distribution.
What is normalcdf?
Minimum, Q1, Median, Q3, Maximum
What is the 5-Number Summary?
Direction, Form, Strength
When factors lead a respondent to an inaccurate or false answer to a survey.
What is response bias?
When two events cannot occur at the same time, they are called this.
What is mutual exclusive?
mean, median, mode
What are measures of center?
Skewness when the mean is greater than the median.
What is skewed to the right?
A least squares regression is appropriate when this exhibits no predictable behavior.
What is a residual plot?
An experiment in which neither the subjects nor the experimenters know who is receiving the treatment and who is receiving the placebo.
What is a double-blind study?
\frac{n!}{r!(n-r)!}
What is the binomial coefficient?
Two events that do not affect each other are called this.
What is independent?
The value in a data set that represents the top 25% of values.
What is Q3?
A variable that has not been considered in a study that influences both the explanatory and response variables.
What is a lurking variable?
A sample method that pairs participants with identical characteristics except for the one being investigated.
What is matched pairs sampling?
The distribution that gives the probability that the first occurrence of success requries a specific number of independent trials.
What is a geometric distribution?
A value that describes a sample is called a statistic. A value that describes a population is called this.
What is a parameter?
In a normal distribution, the percent of data that lies between
-\sigma and 2\sigma
What is 81.5%?
The name of the value that describe the percent of variability explained by a least squares regression line.
What is the coefficient of determination?
When a sample is setup in a way that partitions the population into smaller related groups, and each group is then sampled.
What is a stratified sample?
\sum_i x_iP(x_i)
What is expected value?
Compared to AP Stats, this class is less important.
What is AP Gov?