Statistics Review - 6th grade

Front

What is the median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest. If there is an even number of values, the median is the average of the two middle numbers.

Front

How do you find the range of a data set?

Back

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

Front

What is the interquartile range (IQR)?

Back

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

Front

What does Q1 represent in a data set?

Back

Q1, or the first quartile, represents the value below which 25% of the data falls.

Front

What does Q3 represent in a data set?

Back

Q3, or the third quartile, represents the value below which 75% of the data falls.

Front

True or False: The median is always the same as the mean.

Back

False. The median is the middle value, while the mean is the average of all values.

Front

What is a dot plot?

Back

A dot plot is a simple way to display data using dots above a number line, where each dot represents one data point.

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the values together and then divide by the number of values.

Front

What is a data set?

Back

A data set is a collection of related data points or values.

Front

What is a quartile?

Back

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