Finding Averages

Front

What is the formula to calculate the average?

Back

Average = (Sum of all values) / (Number of values)

Front

If Lisa read 45 pages on Monday, 30 pages on Tuesday, and 75 pages on Wednesday, what is the average number of pages she read per day?

Back

50 pages

Front

What is the average score if Anna scored 75%, 85%, 90%, and 65% on her quizzes?

Back

78.75%

Front

How do you find the average of a set of numbers?

Back

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

Front

What is the average monthly grocery expense if Diana's expenses for the last 4 months are $240, $260, $266, and $238?

Back

$251

Front

If Bobby scored 80%, 78%, and 82% on his tests, what is his average score?

Back

80%

Front

What is the average amount Julio spent on gas over the last 5 months if he spent $250, $300, $280, $400, and $180?

Back

$282

Front

Define 'mean' in statistics.

Back

The mean is the sum of all values divided by the number of values.

Front

What is the average of the following numbers: 10, 20, 30, 40, 50?

Back

30

Front

If a student scores 90, 85, 95, and 80 on four tests, what is their average score?

Back

87.5