Statistics

Front

What is the median?

Back

The median is the middle value in a data set when the numbers are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode?

Back

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

Front

What is the range?

Back

The range is the difference between the highest and lowest values in a data set.

Front

What is the mean (average)?

Back

The mean is calculated by adding all the numbers in a data set and dividing by the total number of values.

Front

How do you find the median of a data set?

Back

To find the median, arrange the numbers in order and identify the middle value. If there are two middle values, calculate their average.

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a data set.

Front

What is a histogram?

Back

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

Front

What is a bar graph?

Back

A bar graph is a chart that presents categorical data with rectangular bars representing the frequency of each category.

Front

What is a line graph?

Back

A line graph is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments.

Front

What is a data set?

Back

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