Mean Absolute Deviation Mastery

What is the first step in calculating the mean absolute deviation (MAD) of a data set?

• Find the median of the data set.

• Calculate the mean of the data set.

• Determine the range of the data set.

• Identify the mode of the data set.

Tags

CCSS.6.SP.B.5C

Given the data set: 4, 8, 6, 5, 3, 7, 9, what is the mean of the data set?

• 5.5

• 6

• 6.5

• 7

Tags

CCSS.6.SP.B.5C

After finding the mean of a data set, what is the next step in calculating the MAD?

• Subtract the mean from each data point.

• Add all the data points together.

• Divide the sum of the data points by the number of data points.

• Multiply each data point by the mean.

Tags

CCSS.6.SP.B.5C

Calculate the mean absolute deviation for the data set: 10, 12, 8, 11, 9, 14, 7.

• 1.6

• 2

• 2.4

• 2.8

Tags

CCSS.6.SP.B.5C

Which of the following data sets has the greatest mean absolute deviation?

• 3, 3, 3, 3, 3

• 1, 5, 1, 5, 1

• 2, 2, 2, 2, 2

• 4, 4, 4, 4, 4

Tags

CCSS.6.SP.B.5C

A teacher records the following test scores: 70, 75, 80, 85, 90, 95, 100. What is the mean absolute deviation of the scores?

• 7.5

• 8

• 8.5

• 9

Tags

CCSS.6.SP.B.5C

In a real-world scenario, why might a business use the mean absolute deviation?

• To determine the average sales price.

• To measure the consistency of sales over time.

• To calculate the total revenue.

• To find the highest sales figure.

Tags

CCSS.6.SP.B.5C

A student records the following times (in minutes) to complete a puzzle: 15, 20, 25, 30, 35, 40, 45. What is the mean absolute deviation of the times?

• 7.5

• 8

• 8.5

• 9

Tags

CCSS.6.SP.B.5C

Which step is necessary to complete the calculation of the mean absolute deviation after finding the absolute deviations?

• Multiply the absolute deviations by the number of data points.

• Add the absolute deviations together.

• Subtract the smallest absolute deviation from the largest.

• Divide the sum of the absolute deviations by the number of data points.

Tags

CCSS.6.SP.B.5C

A company tracks the number of products sold each day: 50, 60, 55, 65, 70, 75, 80. What is the mean absolute deviation of the sales?

• 7.5

• 8

• 8.5

• 9

Tags

CCSS.6.SP.B.5C