Mean, Median, and Mode

Front

What is the definition of mean in statistics?

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 calculate the mean of a data set?

Back

To calculate the mean, sum all the values in the data set and then divide by the total number of values.

Front

What is the definition of median in statistics?

Back

The median is the middle value in a data set when the numbers are arranged in ascending or descending order.

Front

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

Back

To find the median, arrange the numbers in order and select the middle number.

Front

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

Back

To find the median, arrange the numbers in order and calculate the average of the two middle numbers.

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 can a data set have more than one mode?

Back

A data set can have multiple modes if two or more values appear with the same highest frequency.

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.

Front

What is the impact of outliers on the mean?

Back

Outliers can significantly affect the mean, making it higher or lower than the central tendency of the majority of the data.

Front

What is the impact of outliers on the median?

Back

The median is less affected by outliers, as it depends on the middle value rather than the total sum.