Mean Median Mode

Front

What is the mean in statistics?

Back

The mean is the sum of all data values divided by the number of data values.

Front

What is the median in a data set?

Back

The median is the middle number when the values are arranged in numerical order.

Front

What is the mode in statistics?

Back

The mode is the value 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 greatest value and the least value in the data set.

Front

How does an outlier affect the mean?

Back

An outlier can significantly increase or decrease the mean, making it less representative of the data set.

Front

What is an outlier?

Back

An outlier is a data point that is significantly different from the other data points in a data set.

Front

How do you find the median in a data set with an even number of values?

Back

To find the median in a data set with an even number of values, average the two middle numbers.

Front

What is the difference between mean and median?

Back

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

Front

In what situations might the median be a better measure of central tendency than the mean?

Back

The median is often a better measure when the data set contains outliers or is skewed.

Front

What is the formula for calculating the mean?

Back

Mean = (Sum of all data values) / (Number of data values).