​Review Scatter Plots Association & MAD

​Review Scatter Plots Association

&

MAD

Types

• Positive Association

• Negative Association

• No Association

• Linear

• Non Linear

Scatter Plot Association

Multiple Choice

What type of Associationdoes this graph have?

• positive Association

• negative Association

• no Association

• all of the above

Multiple Choice

What type of Association does this scatter plot show?

• positive Association

• negative Association

• no Association

• nonlinear association

Multiple Choice

What is the Association?

• Negative Association

• No Association

• Positive Association

• All of the above

Multiple Choice

Name the type of association.

• no association

• nonlinear association

• positive associtation

• negative association

• negipositive association

Scatter plots & Trendlines

Multiple Choice

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Multiple Choice

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

Multiple Choice

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

Mean Absolute Deviation

Let's start off easy

FIND THE MEAN!

Multiple Choice

What is another word for AVERAGE?

• Mode

• Median

• Mean

• Not nice

Multiple Choice

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40

• 24

• 4

• 256

Multiple Choice

Find the mean:
28, 18, 19, 18, 17

• 20

• 18

• 11

• 19

Multiple Choice

Find the mean of the numbers below:

1.4, 2.8, 2.4, 2.5, 2.8, 3.1, 1.1

• 2.3

• 2.2

• 2.4

• 2.1

FIND THE MEAN ABSOLUTE DEVIATION!

1. Find the average of the set of data

2. Find the distance from the mean to each data point

3. Find the average of the distances

How to solve for Mean Absolute Deviation

Multiple Choice

What is the first step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean

• Find the mean of the data

• Find the mean of the distances

Multiple Choice

What is the second step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean

• Find the mean of the distances

• Find the mean of the data

Multiple Choice

What is the third step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean

• Find the mean of the data

• Find the mean of the distances

Multiple Choice

What is Mean Absolute Deviation?

• The mean of the data

• The absolute value of the mean

• The variation of data values around the mode

• The rage distance between the data values and the mean

Multiple Choice

What is the mean absolute deviation of the data: 15, 20, 25, 17, 18

• 4.5

• 2.8

• 4

• 3.8

Multiple Choice

What is the absolute mean deviation of the data? 45, 55, 60, 48, 57, 52, 49

if the mean is 52.3

• 4.0

• 5

• 5.2

• 4.33

Multiple Choice

Find the Mean Absolute Deviation: 10, 9, 3, 8, 10.

The Mean is 8

• 3

• 1

• 5

• 2