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The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count. Example 1: What is the Mean of these numbers? 6, 11, 7. The Mean is 8.
Example 4: Write an algebraic expression for the math phrase “the average of a number and 4”. Solution: To begin this particular math phrase, we must first define the term “average.” To calculate the average or mean of two or more numbers, add up all the numbers to get a sum, then divide it by the number of entries or numbers.
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Example 1: finding the mean. Calculate the mean value of this list of numbers: 2 7 9 10 122 7 9 10 12. Find the sum of the data points. 2 + 7 + 9 + 10 + 12 = 402 + 7 + 9 + 10 + 12 = 40. 2 Divide the sum by the number of data points. There are 55 values in the data set. Divide the total by 5.5.
Example 1: finding the mean. Calculate the mean value of this list of numbers: 2 7 9 10 12 2 7 9 10 12. Find the total of the values. Add up all the values in the list. \text {Total}=2+7+9+10+12=40 Total = 2+7+9+10 +12 = 40. 2 Divide the total by the number of values. There are 5 5 values in the data set.
QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. The algebra section allows you to expand, factor or simplify virtually any expression you choose. It also has commands for splitting fractions into partial fractions, combining several fractions into one and ...
