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 median of a data set?

Back

To find the median, arrange the numbers in ascending order and identify the middle number. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What is the mode in a data set?

Back

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

Front

How is the range of a data set calculated?

Back

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

Front

What is the formula for calculating the mean?

Back

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

Front

What does it mean if a data set has no mode?

Back

If a data set has no mode, it means that no number appears more than once.

Front

What is the significance of the median in a data set?

Back

The median provides a measure of central tendency that is less affected by outliers and skewed data than the mean.

Front

How can you identify the mode in a data set with multiple modes?

Back

A data set with multiple modes is called multimodal, and all values that appear with the highest frequency are considered modes.

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

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

Back

For an odd number of values, the median is the middle value after sorting the data in ascending order.