Plotting Data on a Dot Plot — Quiz

Question 7 • Concepts in Probability and Statistics

Which dot plot shows three people that sleep for eight hours at night and three people that sleep for six hours at night?

Answer

Image with description A dot plot is titled How Many Hours Do You Sleep at Night? The number line goes from 5 to 9 by ones. There are three dots above 5. There are three dots above 6. There are three dots above 7. There are two dots above 8. There are three dots above 9.

Image with description A dot plot is titled How Many Hours Do You Sleep at Night? The number line goes from 5 to 9 by ones. There are two dots above 5. There are three dots above 6. There are four dots above 7. There are four dots above 8. There is one dot above 9.

Image with description A dot plot is titled How Many Hours Do You Sleep at Night? The number line goes from 5 to 9 by ones. There are three dots above 5. There are two dots above 6. There are three dots above 7. There are three dots above 8. There are three dots above 9.

Explanation

Look for a plot with three dots above 6 and three dots above 8. Choice D has three dots at 6 hours and three dots at 8 hours, so it shows three people sleeping each of those amounts.

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