Algebra II.4.B.8 - Distributions—Center, Shape, and Spread – Exit Ticket

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3 questions

A local utility company wanted to gather data on the age of air conditioners that people have in their homes. The company took a random sample of 200 residents of a large city and asked if the residents had an air conditioner, and if they did, how old it

Would you describe this distribution of air conditioner ages as approximately symmetric or as skewed? Explain your answer.

Is the mean of the age distribution closer to 15, 20, or 25 years? Explain your answer.

Is the standard deviation of the age distribution closer to 3, 6, or 9 years? Explain your answer.

From EngageNY.org of the New York State Education Department. Grade Algebra II Mathematics Module 4, Topic B, Lesson 8. Internet. Available from https://www.engageny.org/resource/algebra-ii-modul...; accessed 21/Apr/2016.