Statistics

Front

What is the definition of median in statistics?

Back

The median is the middle value in a data set when the numbers are arranged in ascending or descending order.

Front

How do you find the median of a data set with an even number of values?

Back

To find the median, average the two middle numbers after arranging the data in order.

Front

What is relative frequency?

Back

Relative frequency is the ratio of the frequency of a particular category to the total number of data values.

Front

What is joint relative frequency?

Back

Joint relative frequency is the ratio of the frequency of a specific category to the total number of data values, often used in two-way tables.

Front

What is conditional relative frequency?

Back

Conditional relative frequency is the ratio of the frequency of a category given a specific condition, divided by the total frequency of that condition.

Front

What is marginal relative frequency?

Back

Marginal relative frequency is the ratio of the total frequency of a category to the total number of data values.

Front

How do you calculate the total number of surveyed individuals from a frequency table?

Back

Add all the frequencies in the table to find the total number of surveyed individuals.

Front

What is the purpose of a frequency table?

Back

A frequency table organizes data to show how often each category occurs.

Front

What does it mean if two classes have the same median?

Back

It means that the middle value of both data sets is identical when arranged in order.

Front

How do you interpret a bar graph?

Back

A bar graph displays data with rectangular bars, where the height or length of each bar represents the frequency or value of each category.