Algebra 1 Unit 4 Stats Review

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 are two middle numbers, the median is the mean of those two numbers.

Front

What is the mean?

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

What is the mode?

Back

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

Front

What is the range of a data set?

Back

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

Front

How do you find the mean of two numbers?

Back

Add the two numbers together and divide by 2.

Front

What does a pie chart represent?

Back

A pie chart represents data in a circular graph, showing the proportions of different categories as slices of the pie.

Front

What is a bar graph used for?

Back

A bar graph is used to compare different categories of data using rectangular bars.

Front

What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data.

Front

What is a data set?

Back

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

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the whole population in statistical analysis.