Front

What is the 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 does a drop in temperature affect the mean temperature?

Back

If a temperature significantly lower than the current mean is added, it will decrease the overall mean temperature.

Front

What is the median in a data set?

Back

The median is the middle number in a sorted list of numbers. If there is an even number of observations, it is the average of the two middle numbers.

Front

What is the mode in statistics?

Back

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

Front

How do you find the range of a data set?

Back

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

Front

What is the difference between mean and median?

Back

The mean is the average of all numbers, while the median is the middle value when the numbers are arranged in order.

Front

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

Back

It means that no number appears more than once in the data set.

Front

If the data set is 3, 5, 7, 9, 11, 8, 3, what is the median?

Back

The median is 7.

Front

If the data set is 3, 5, 7, 9, 11, 8, 3, what is the mode?

Back

The mode is 3.

Front

If the data set is 3, 5, 7, 9, 11, 8, 3, what is the range?

Back

The range is 8 (11 - 3 = 8).