Data and Statistics

Front

What is the mode in a data set?

Back

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

Front

How do you find the upper quartile (Q3) in a data set?

Back

The upper quartile (Q3) is the median of the upper half of the data set.

Front

What is the median of a data set?

Back

The median is the middle number when the data set is ordered from least to greatest.

Front

What does it mean if a data set has no mode?

Back

It means that no number appears more than once in the data set.

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the smallest number from the largest number in the data set.

Front

What is a data set?

Back

A data set is a collection of related data points or values.

Front

What is a quartile?

Back

A quartile is a type of quantile that divides a data set into four equal parts.

Front

What is the lower quartile (Q1)?

Back

The lower quartile (Q1) is the median of the lower half of the data set.

Front

What is a frequency table?

Back

A frequency table is a table that displays the number of times each value occurs in a data set.

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, using bars to show frequency.