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anonymous

  • one year ago

The dot plot below shows the amount of time two random groups of students took to solve a math problem: A dot plot shows Problem Solving Time in seconds on the horizontal axis. For Group X, there is 1 dot on 45, 2 dots on 50, 1 dot on 55, 1 dot on 60, 2 dots on 65, 3 dots on 70, 1 dot on 75, 1 dot on 80, 2 dots on 85, 3 dots on 90, 1 dot on 95, and 1 dot on 100. For Group Y, there are 2 dots on 65, 1 dot on 70, 1 dot on 75, 1 dot on 80, 2 dots on 85, 2 dots on 90, 1 dot on 95, 3 dots on 100, 1 dot on 105, 1 dot on 110, 3 dots on 115, and 1 dot on 120.

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    Based on visual inspection of the dot plots, which of the following groups, if any, shows a greater average time required to solve the problem? Group X Group Y Both groups show about the same average time. No conclusion about average time can be made from the data.

  3. anonymous
    • one year ago
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    The group with more dots on higher numbers will have a higher average

  4. anonymous
    • one year ago
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    ok

  5. anonymous
    • one year ago
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    so would that be group Y?

  6. anonymous
    • one year ago
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    yes

  7. anonymous
    • one year ago
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    yes thank you medal for you

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spraguer (Moderator)
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