Statistics Flashcard

Front

What is the Mean?

Back

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

Front

What is a Box Plot?

Back

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

Front

What is the Median?

Back

The median is the middle value in a list of numbers. To find the median, arrange the numbers in order and select the middle one.

Front

What is the Interquartile Range (IQR)?

Back

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

Front

What does each section of a Box and Whisker Plot represent?

Back

Each section of a box and whisker plot represents 25% of the data.

Front

How do you find the Median of a data set?

Back

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

Front

What is a Quartile?

Back

A quartile is a type of quantile that divides a ranked dataset into four equal parts.

Front

What is the purpose of a Box Plot?

Back

A box plot visually summarizes the distribution of a dataset, highlighting its central tendency and variability.

Front

What is the difference between Mean and Median?

Back

The mean is the average of all numbers, while the median is the middle value when numbers are arranged in order.

Front

What is a Data Set?

Back

A data set is a collection of related data points or values, often organized in a table.