Mean, Median, Mode, Range

Front

What is the formula to calculate the mean of a set of numbers?

Back

To find the mean, add up all the values and divide by the number of values.

Front

What is another term for the mean in statistics?

Back

The mean is also called the average.

Front

How do you calculate the range of a data set?

Back

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

Front

What is the first step to finding the median of a data set?

Back

You must put the values in order from smallest to largest.

Front

What is the mode in a data set?

Back

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

Front

If a data set has no repeating numbers, what is the mode?

Back

If there are no repeating numbers, the data set has no mode.

Front

What is the median of the following set of numbers: 3, 1, 4, 2, 5?

Back

The median is 3, which is the middle number when the values are ordered.

Front

In a data set with an even number of values, how is the median calculated?

Back

The median is calculated by taking the average of the two middle numbers.

Front

What does it mean if the mean is significantly higher than the median in a data set?

Back

It may indicate that there are outliers or extreme values affecting the mean.

Front

What is the relationship between mean, median, and mode in a normal distribution?

Back

In a normal distribution, the mean, median, and mode are all equal.