Statistics Review

Front

What are the minimum and maximum values in a data set?

Back

The minimum value is the smallest number in the data set, and the maximum value is the largest number.

Front

What does a box plot represent in statistics?

Back

A box plot visually displays the distribution of a data set, showing the median, quartiles, and potential outliers.

Front

What is the interquartile range (IQR)?

Back

The interquartile range (IQR) is the difference between the first quartile (Q1) and the third quartile (Q3), representing the middle 50% of a data set.

Front

How do you calculate the percentage of a specific range in a data set?

Back

To calculate the percentage, divide the number of values in the range by the total number of values, then multiply by 100.

Front

What is a line plot?

Back

A line plot is a graph that shows the frequency of data along a number line, often used to display the number of occurrences of each value.

Front

What does the median represent in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

How do you find the range of a data set?

Back

The range is found by subtracting the minimum value from the maximum value.

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

What does it mean if a data set has a high interquartile range?

Back

A high interquartile range indicates a wide spread of the middle 50% of the data, suggesting greater variability.

Front

How can you determine the total number of items represented in a box plot?

Back

The total number of items can be determined by adding the frequencies of all the categories represented in the box plot.