Week 17 Final Review #5

Front

What is the minimum value in a set of numbers?

Back

The minimum value is the smallest number in a set. For example, in the set {64, 58, 66, 60}, the minimum value is 58.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables and constants.

Front

How do you find the percentage of data within a specific range?

Back

To find the percentage of data between two values, divide the number of data points within that range by the total number of data points, then multiply by 100.

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 middle 50% of the data.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a fraction of two integers. For example, √8 is irrational.

Front

What is the formula for calculating the mean of a data set?

Back

The mean is calculated by adding all the numbers in a data set and dividing by the total count of numbers.

Front

What is a quartile in statistics?

Back

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

Front

How do you identify the range of a data set?

Back

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

Front

What does it mean for a number to be rational?

Back

A rational number is any number that can be expressed as a fraction of two integers, such as ¾ or -1.325.

Front

What is the difference between a mean and a median?

Back

The mean is the average of a data set, while the median is the middle value when the data is ordered.