Question
To find the mean (average) of $15,33,45,12,6,19,$ and 3, we add the values and divide by what number?
Step 1
This can be done using the formula for the sum of a series, which is: \[ \text{Sum} = 15 + 33 + 45 + 12 + 6 + 19 + 3 \] Show more…
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To find the average (mean) of numbers, we add the numbers and then divide the sum by the number of terms added. For example, to find the average of $14,8,3,9,$ and $1,$ we add them and then divide by 5. $$ \frac{14+8+3+9+1}{5}=\frac{35}{5}=7 \leftarrow \text { Average } $$ Find the average of each group of numbers. $$ -17,34,9,-2 $$
The Real Number System
Multiplying and Dividing Real Numbers
To find the average (mean) of numbers, we add the numbers and then divide the sum by the number of terms added. For example, to find the average of $14,8,3,9,$ and $1,$ we add them and then divide by 5. $$ \frac{14+8+3+9+1}{5}=\frac{35}{5}=7 \leftarrow \text { Average } $$ Find the average of each group of numbers. $$ -15,29,8,-6 $$
To find the average (mean) of numbers, we add the numbers and then divide the sum by the number of terms added. For example, to find the average of $14,8,3,9,$ and $1,$ we add them and then divide by 5. $$ \frac{14+8+3+9+1}{5}=\frac{35}{5}=7 \leftarrow \text { Average } $$ Find the average of each group of numbers. All even integers between $-18$ and $4,$ inclusive
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