Mathematics
Mathematics, 14.07.2019 15:00, mrstealyogirl40

The dot plot below shows the amount of time two random groups of students took to solve a puzzle: a dot plot shows puzzle solving time in seconds on the horizontal axis. for group a, there is 1 dot on 65, 1 dot on 67, 1 dot on 77, 1 dot on 79, 1 dot on 88, 1 dot on 90, 2 dots on 92, 1 dot on 100, 2 dots on 102, 1 dot on 109, 1 dot on 110, 2 dots on 112, 1 dot on 122, 1 dot on 136, and 1 dot on 139. for group b, there are 2 dots on 50, 1 dot on 55, 1 dot on 61, 2 dots on 70, 2 dots on 80, 2 dots on 89, 1 dot on 95, 3 dots on 100, 1 dot on 110, and 1 dot on 114. based on visual inspection of the dot plots, which of the following groups, if any, shows a greater average time required to solve the puzzle? group a group b both groups show about the same average time. no conclusion about average time can be made from the data.

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