Statistics and Probability

Front

What is the mean of a set of numbers?

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 find the maximum value in a data set?

Back

The maximum value is the largest number in the data set.

Front

What is an outlier in a data set?

Back

An outlier is a value that is significantly higher or lower than the other values in a data set.

Front

What effect does removing an outlier have on the mean?

Back

Removing an outlier can decrease the mean if the outlier is higher than the mean, or increase the mean if the outlier is lower than the mean.

Front

What is the median of 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 is the mode of a data set?

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 maximum and minimum values in a data set.

Front

What is the first step in calculating the Mean Absolute Deviation (MAD)?

Back

The first step is to find the mean of the given data set.

Front

What is the second step in calculating the Mean Absolute Deviation (MAD)?

Back

The second step is to subtract the mean from each original data point.

Front

What is the best measure of center to use when there are outliers?

Back

The median is the best measure of center to use when there are outliers.