Q:
# How Do You Find the Average of a Group of Numbers?

The average of a group of numbers is found by adding all the data values together and dividing by the number of values in the group. Another word for the average is the arithmetic mean.

Continue ReadingSuppose a student has made the following test scores: 95, 88, 75, 93 and 90. To find the average, first add the five scores together. The sum is 441. Next divide 441 by 5 to get the average, which is 88.2.

Though less commonly used than the arithmetic mean, other types of averages are sometimes calculated. Two such averages are the median, which involves finding the middle number of a set of values arranged in ascending order, and the mode, which is the value which occurs most often in a list.

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Q:
## How Do You Calculate the Median of a Set of Numbers?

A: Calculate the median of a set by putting the numbers in order from least to greatest and finding the middle number, when there is an odd number of values i... Full Answer >Filed Under: -
Q:
## How Do You Determine Whether to Use a Dot Plot or a Stem-and-Leaf Plot?

A: The main reason to use a stem-and-leaf plot instead of a dot plot is to assess group trends and individual values better. Both are methods of grouping data... Full Answer >Filed Under: -
Q:
## What Are Negative Z Scores?

A: A negative Z score indicates that a value is below the mean for the group of values. Z scores show how far away a particular score is from the group mean u... Full Answer >Filed Under: -
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## What Is the Difference Between Discrete and Continuous Data?

A: Discrete data refers to specific and distinct values, while continuous data are values within a bounded or boundless interval. Discrete data and continuous... Full Answer >Filed Under: