7th grade Math

Front

What is the median value in a list of numbers?

Back

The median is the middle value when a list of numbers is ordered from smallest to largest.

Front

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

Back

To calculate the mean, add all the numbers together and then divide by the total count of numbers.

Front

Does division undo multiplication?

Back

Yes, division is the inverse operation of multiplication.

Front

What does the term 'radius' refer to in geometry?

Back

The radius is the distance from the center of a circle to any point on its circumference.

Front

What is the interquartile range (IQR)?

Back

The interquartile range is the range of values between the lower quartile (Q1) and the upper quartile (Q3) in a data set.

Front

What is the difference between mean and median?

Back

The mean is the average of a set of numbers, while the median is the middle value when the numbers are sorted.

Front

What is a quartile in statistics?

Back

A quartile is a type of quantile that divides a data set into four equal parts.

Front

How do you find the lower quartile (Q1)?

Back

The lower quartile (Q1) is the median of the lower half of a data set.

Front

What is the upper quartile (Q3)?

Back

The upper quartile (Q3) is the median of the upper half of a data set.

Front

What is the formula for calculating the range of a data set?

Back

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