# Common Core: 6th Grade Math : Find Measures of Center, Variability, and Patterns in Data: CCSS.Math.Content.6.SP.B.5c

## Example Questions

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### Example Question #1 : Find Measures Of Center, Variability, And Patterns In Data: Ccss.Math.Content.6.Sp.B.5c

In a group of 4 books, the average number of pages is is 10.  Juan adds a book with 20 pages to the group.  What is the new average number of pages?

Explanation:

If the average of 4 books was 10, then the total number of pages was . Adding in the 20 new pages, but now dividing by 5 you get .

### Example Question #2 : Find Measures Of Center, Variability, And Patterns In Data: Ccss.Math.Content.6.Sp.B.5c

Give the mean of the data set (nearest tenth, if applicable):

Explanation:

Add the six elements and divide the sum by 6:

### Example Question #3 : How To Find Mean

Find the mean of this set of numbers:

54, 41, 99, 120, 66.

Explanation:

Then, divide by the amount of numbers in the set:

### Example Question #4 : How To Find Mean

Give the mean of the following eight scores:

Explanation:

Divide the sum of the scores by eight:

### Example Question #5 : How To Find Mean

Give the mean of the following nine scores:

Explanation:

Divide the sum of the scores by nine:

### Example Question #1 : Data Analysis

Give the median of the following eight scores:

Explanation:

Arrange the scores from least to greatest.

There are an even number (eight) of scores, so the median is the arithmetic mean of the middle two scores, 72 and 73. This makes the median

### Example Question #2 : Data Analysis

The average age of 4 people is 12.  What will be the sum of their ages in 3 years?

Explanation:

The current sum of their ages is .  Since all 4 people will gain 3 years in age, we have to add 12 to the current sum.

### Example Question #2 : How To Find Mean

Give the mean of the following data set:

Explanation:

Since there are 16 elements, divide their sum by 16 to get the mean:

### Example Question #11 : Data Analysis

Find the average of this set of numbers:

521, 834, 754, 902, 899

Explanation:

First, add all the numbers in this set:

Divide, 3910 by the total amount of numbers in the set:

### Example Question #12 : Data Analysis

Find the mean in this set of numbers:

5570, 4886, 5226, 4120, 6561, 4120, 6008

Explanation:

First, add all the numbers in this set:

Then, divide that amount by the total number in the set: