Avery guessed that the typical number of sit-ups her classmates could do was 30 in 1 minute. Avery tested this idea by recording how many sit-ups each classmate could do in 1 minute. She made a dot plot of the data.


1. What is the most common number of sit-ups completed in 1 minute? Explain how you used the dot plot to identify this number.
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2. What is the spread of this data set?

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3. According to this data set, is Avery's guess of 30 sit-ups per minute too low, too high, or about right? Explain.
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Avery guessed that the typical number of situps her classmates could do was 30 in 1 minute Avery tested this idea by recording how many situps each classmate co class=