Statistics

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

How do you find the mode of a data set?

Back

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

Front

What is a statistical question?

Back

A statistical question is one that anticipates variability in the data and can be answered by collecting data.

Front

What is the mean (average) of a set of numbers?

Back

The mean is calculated by adding all the numbers together and dividing by the total count of numbers.

Front

How do you calculate the range of a data set?

Back

The range is found 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 does it mean if a data set has no mode?

Back

If a data set has no mode, it means that no number appears more than once.

Front

What is the difference between mean and median?

Back

The mean is the average of all numbers, while the median is the middle value when arranged in order.

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 bar graph?

Back

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