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Mathematics, 05.11.2019 23:31 liyahlanderson2232
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.
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.
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The dot plot below shows the amount of time two random groups of students took to solve a math probl...
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