S 302 Average given sum

Front

What is the average?

Back

The average is a measure of central tendency that is calculated by dividing the sum of a set of values by the number of values in that set.

Front

How do you calculate the average?

Back

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

Front

If I have 90 pieces of candy to divide among 10 people, how many pieces does each person get on average?

Back

9

Front

What is the average number of items collected per student if a class collected 1457 items and there are 21 students?

Back

69.4

Front

How do you find the average number of students per class if there are 250 students in 10 classes?

Back

Divide 250 by 10 to get 25.

Front

What is the average number of students per grade if there are 182 students at E-S high school?

Back

45.5

Front

If 22 inches of rain fell over 18 hours, how much rain fell on average each hour?

Back

1.2 inches.

Front

What is a measure of central tendency?

Back

A measure of central tendency is a statistical measure that identifies a single value as representative of an entire distribution, commonly the mean, median, or mode.

Front

What is the formula for calculating the average?

Back

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

Front

What does it mean to divide equally?

Back

To divide equally means to distribute a total amount into equal parts so that each part is the same size.