Calculate population percentages using the standard deviation.
What do you notice about this diagram?
At a certain pizza delivery place, the average delivery time is 42 minutes with a standard deviation of 3 minutes.
Based on this information, would you purchase a pizza from this company? Why or why not?
A particular college has all students take a placement test. If you score in the top 16% of those who have been admitted, you are offered a scholarship.
The range of scores you can get on the placement test are 100 to 800. The scores for the cohort are normally distributed, and the average is 550. The standard deviation for the administration of this test to the cohort was 75 points.
You get a 650 on the test. Do you get offered the scholarship?
The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
Include problems where you ask students to interpret interquartile range as well as standard deviation in context.
I made meatloaf on a Monday and forgot about it until Saturday.
The average refrigerator life of a meatloaf is 5 days, with a standard deviation of 1 day.