7.SP.3-4 #2

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

How do you calculate the median of a data set?

Back

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

Front

What is the mean of a data set?

Back

The mean is calculated by adding all the values together and dividing by the number of values.

Front

What does variability in data mean?

Back

Variability refers to how spread out or clustered the data values are in a data set.

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 occurrence of a value.

Front

What is a box plot?

Back

A box plot is a graphical representation of a data set that shows the median, quartiles, and potential outliers.

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) and measures the spread of the middle 50% of the data.

Front

What happens to the mean when the highest score is removed?

Back

Removing the highest score can increase the mean if the remaining scores are lower than the mean.

Front

What is a median score?

Back

The median score is the middle value of a data set when arranged in order.

Front

How do you determine which data set has a higher median?

Back

Calculate the median for each data set and compare the values.