Mean, Mode, Median

Front

What is the definition of mode in statistics?

Back

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

Front

How do you calculate the mean of a set of numbers?

Back

To calculate the mean, add all the numbers together and divide by the total number of items in the set.

Front

What is the median in a data set?

Back

The median is the middle value when the numbers are arranged in ascending order. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What is the mode of the following data set: 1, 2, 2, 3, 4?

Back

The mode is 2, as it appears most frequently.

Front

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

Back

If there are no repeating numbers, the data set is said to have no mode.

Front

How do you find the median of an odd set of numbers?

Back

To find the median of an odd set, arrange the numbers in order and select the middle number.

Front

What is the formula for calculating the mean?

Back

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

Front

In a data set of 5, 7, 7, 8, 9, what is the mode?

Back

The mode is 7, as it appears most frequently.

Front

What happens to the mean if a new number is added to the data set?

Back

The mean will change depending on the value of the new number relative to the existing mean.

Front

How do you find the median of an even set of numbers?

Back

To find the median of an even set, arrange the numbers in order and average the two middle numbers.