anonymous
  • anonymous
i nee d help metal to anybody that helps me
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
The dot plot below shows the amount of time two random groups of students took to brush their teeth: A dot plot shows Tooth Brushing Time in seconds on the horizontal axis. For Group R, there is 1 dot on 45, 2 dots on 50, 1 dot on 55, 2 dots on 60, 1 dot on 65, 1 dot on 70, 1 dot on 75, 1 dot on 80, 1 dot on 85, 2 dots on 90, 1 dot on 95, 2 dots on 100, 1 dot on 105, 2 dots on 110, 1 dot on 115, and 2 dots on 120. For Group S, there is 1 dot on 50, 1 dot on 55, 2 dots on 60, 2 dots on 70, 1 dot on 80, 2 dots on 90, 1 dot on 95, 1 dot on 100, 1 dot on 105, 2 dots on 110, 1 dot on 115, and 1 dot on 120. Based on visual inspection of the dot plots, which of the following groups, if any, shows a greater average time required to brush their teeth? Group R Group S Both groups show about the same average time. No conclusion about average time can be made from the data.

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