Mean, Median, and Mode

Mean, Median and Mode Review

Open Ended

What is the mean of a data set? How do you find it? (if you need to, look it up!)

Open Ended

What is the median of a data set? How do you find it? (If you need to, look it up!)

Open Ended

What is the mode of a data set? How do you find it? (If you need to, look it up!)

Here is an example

The data set is 3, 7, 10, 8, 31, 10, 2.

To the right, you will see how they found the mean, median and mode of that data set. You can try some problems now!

Open Ended

Just try this one: A student has taken 7 tests and received scores of 17, 16, 19, 19, 15, 20, 14. The 8th test is coming up, and the student wants to know what score was needed on the 8th test to have a mean score of 17. Find the necessary test score.

Open Ended

If there is time:

Which average (mean median or mode) do you think is more useful and why?

Reserach: When would the mean be best to use? What about median? And mode?