mean absolute deviation-Mangram 10/1/2020

Mean Absolute Deviation (MAD)

SWBAT calculate the average distance from the mean.

Things you will need for today's lesson

• Calculator

• Paper

• Pencil

LET'S RECAP

What is the process for calclating the mean??

Multiple Choice

How do you calculate the Mean (Average)?

• Finding the middle number

• Subtracting the highest and lowest numbers in the data set

• Adding all numbers up and dividing by how many numbers there are..

• Finding what number occurs the most

Multiple Choice

What is the mean of the data? Round to the nearest tenth.

• 4.5

• 5

• 5.2

• 5.7

ABSOLUTE VALUE

how far an integer is from zero regardless of the sign

Multiple Choice

Absolute value means...

• Take the negative answer no matter what

• Take the positive answer no matter what

• Change each answer to zero

• Multiply all numbers

Lets watch a video to learn how to find the Mean Absolute Deviation.

(MAD)

Multiple Choice

How many steps are involved when solving for the MAD?

• 3

• 2

• 1

• 4

Open Ended

In your own words, describe how the video taught you how to find the MAD. You can list steps or explain in words....

LET'S SEE IF YOU CAN FIND SOME ANSWERS..

GRAB YOUR CALCULATORS!!

Multiple Choice

What is the Mean Absolute Deviation to the nearest tenth?

44,46,47,50,and 45

• 2.0

• 1.0

• 1.7

• 1.68

Multiple Choice

What is the mean absolute deviation of 13, 14, 17, 28, and 28?

• 6.4

• 8.6

• 4.6

• 6.3

Please go over to Google Classroom and complete today's assignment..

This quiz will be for a grade. Use your calculator.