Statistics Review

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges (bins).

Front

How do you find the median of a set of numbers?

Back

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

Front

What is the mean of a set of numbers?

Back

The mean is calculated by adding all the numbers together and dividing by the total count of numbers.

Front

What is a box and whisker plot?

Back

A box and whisker plot is a graphical representation that shows the distribution of a dataset based on five summary statistics: minimum, first quartile, median, third quartile, and maximum.

Front

What does it mean to have '4 or more pets'?

Back

It means counting the number of individuals in a group who own four or more pets.

Front

How do you determine the highest median from box and whisker plots?

Back

Compare the median lines in each box and whisker plot; the plot with the highest median line represents the highest median value.

Front

What is the range of a dataset?

Back

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

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a dataset.

Front

What is the purpose of using statistics?

Back

Statistics help in collecting, analyzing, interpreting, presenting, and organizing data to make informed decisions.

Front

What is a quartile?

Back

A quartile is a type of quantile that divides a dataset into four equal parts, with each part representing a quarter of the data.