One Variable stat practice

Front

What is the definition of median in a data set?

Back

The median is the middle value when the numbers are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

Front

How do you calculate the average (mean) of a set of numbers?

Back

To calculate the average, add all the numbers together and then divide by the total count of numbers.

Front

What does it mean when data is described as being in an interval?

Back

An interval is a range of values that data points fall into, often used in statistics to group data for analysis.

Front

What is the maximum value in a data set?

Back

The maximum value is the largest number in a set of data.

Front

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

Back

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

Front

What is a frequency distribution?

Back

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

Front

What is the mode of a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

How do you identify the interval with the greatest frequency?

Back

To identify the interval with the greatest frequency, compare the counts of each interval and find the one with the highest count.

Front

What is the range of a data set?

Back

The range is the difference between the maximum and minimum values in a data set.

Front

What is a bar graph used for?

Back

A bar graph is used to represent categorical data with rectangular bars, where the length of each bar is proportional to the value it represents.