Finding Mean of a Data Set

Categorize

Options (8)

How many

teachers do 6th grade students know?

How many

friends do students have in this class?

How long does it take students to get ready for school every morning?

How many hours do students spend doing homework in a week?

How many planets are in the Solar System?

How many stars are in the US flag?

Who is the current US President?

How many brains does a Velociraptor have?

Categorize these questions as STATISTICAL or NOT STATISTICAL

Statistical

Not Statistical

Multiple Choice

Eight students were surveyed about the number of hours they spend reading for fun each week.

11, 4, 7, 13, 3, 7, 12, 5

What is the average number of hours spent reading for fun by the students each week?

• 7.75
• 9.25
• 8.0
• 6.5

Multiple Choice

Which statement best describes the mean of a data set?

• The average or the sum of all the values in the data set divided by the total number of data values in the set

• The difference between the highest and the lowest values in the data set

• The value that occurs most often in the data set

• The middle data value in the data set

Dropdown

To find the mean of a data set you have to ​

Select answer

all the values in the data set and ​

Select answer

by the total number of data values in the set.

Multiple Choice

Find the mean number of pets in six families
3, 0, 2, 4, 2, 1

• 3
• 4
• 2
• 1.5

Multiple Choice

The table shows Annabeth’s scores on her math assignments. Find the mean.

• 85.7
• 90.6
• 91.2
• 88.5

Open Ended

How can you use the MEAN to describe a data set?

Poll

How do you feel about this lesson?

• I can do it!

• I need help!