How to Find Mean, Median, Mode and MAD

What is the purpose of mean absolute deviation?

• to find the mean

• to represent the center of the data

• to show how much variation there is

• to confuse 7th graders

Tags

CCSS.6.SP.B.5C

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

• Find the distance (absolute value) each data value is from the mean

• Find the mean of the distances

• Find the mean of the data

Tags

CCSS.6.SP.B.5C

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

• Find the distance (absolute value) each data value is from the mean

• Find the mean of the distances

• Find the mean of the data

Tags

CCSS.6.SP.B.5C

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

• Find the distance (absolute value) each data value is from the mean

• Find the mean of the distances

• Find the mean of the data

Tags

CCSS.6.SP.B.5C

Which M.A.D. would show the most variability?

• .5

• 2

• 1.5

• 1

Tags

CCSS.6.SP.B.5C

Which M.A.D. would show the most consistency?

• .5
• 1
• 1.5
• 2

Tags

CCSS.6.SP.B.5C

True or false? If you have a large Mean Absolute Deviation that means there is more variability in the data set.

• True

• False

Tags

CCSS.6.SP.B.5C

What is the median?

• biggest- smallest

• average

• the middle number

• the number that happens the most

Tags

CCSS.6.SP.B.5C

What is the first step to finding the median of a set of numbers?

• Finding the one in the middle

• Finding the smallest value

• Listing the values from least to greatest

• Finding the one you see the most

Tags

CCSS.6.SP.B.5C

When finding the median, what do you do if there are two middle numbers?

• Find their mean (add them and divide by 2)

• Write them both as the answer

• Give up

• Pick one

Tags

CCSS.6.SP.B.5C