Statistics Review

Front

What is the mean in statistics?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

How do you calculate the range of a data set?

Back

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

Front

What is the median in a data set?

Back

The median is the middle value 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 effect does a low score have on the mean?

Back

A low score decreases the mean because it lowers the overall average when included in the total.

Front

How do you find the mean of a set of numbers?

Back

Add all the numbers together and divide by the total count of numbers.

Front

What is a data set?

Back

A data set is a collection of related values or observations, often organized in a table.

Front

What is the mode in statistics?

Back

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

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars to show the frequency or value of different categories.

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 histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the number of data points that fall within specified ranges.