Statistics Flashcard

Front

What is mode in statistics?

Back

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

Front

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

Back

Add all the numbers together and then divide by the total count of numbers.

Front

What is the maximum value in a data set?

Back

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

Front

What does it mean to have a greater mode?

Back

It means that one data set has a number that appears more often than the most frequent number in another data set.

Front

If your test grades are 72, 83, 78, 85, and 90, how do you find the next grade needed for a specific average?

Back

Use the formula: (sum of current grades + next grade) / total number of grades = desired average.

Front

What is a data set?

Back

A data set is a collection of numbers or values that represent a particular quantity.

Front

How do you determine the median of a data set?

Back

Arrange the numbers in order and find the middle number. If there are two middle numbers, average them.

Front

What is the difference between mean and median?

Back

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

Front

What is a frequency distribution?

Back

A frequency distribution shows how often each value occurs in a data set.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars to show the frequency of different categories.