AP Statistics Unit 1 Vocabulary Review

Front

What is a quantitative variable?

Back

A quantitative variable is a variable that can be measured numerically and can take on a wide range of values. Example: Hours worked each month.

Front

What is a statistic?

Back

A statistic is a numerical summary of sample data.

Front

What measure of spread should be used for a symmetric distribution?

Back

Standard Deviation.

Front

What information is not provided in a boxplot?

Back

Mean.

Front

What measure of center should be used for a right-skewed distribution?

Back

Median.

Front

Define a boxplot.

Back

A boxplot is a graphical representation of data that shows the distribution's minimum, first quartile, median, third quartile, and maximum.

Front

What is the difference between a parameter and a statistic?

Back

A parameter is a numerical summary of a population, while a statistic is a numerical summary of a sample.

Front

What does IQR stand for and what does it represent?

Back

IQR stands for Interquartile Range, which represents the range of the middle 50% of the data.

Front

What is the mode?

Back

The mode is the value that appears most frequently in a data set.

Front

What is a skewed distribution?

Back

A skewed distribution is one where the data points are not symmetrically distributed, leading to a longer tail on one side.