Suppose Democrats and Republicans report their trust of government on a 100-point scale. Further suppose that the average score of Democrats is 70 and the average score of Republicans is 65. Why do we need information about the variability within both groups to determine if the 5-point difference is meaningful?

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The Answer of Suppose Democrats and Republicans report their trust of government on a 100-point scale. Further suppose that the average score of Democrats is 70 and the average score of Republicans is 65. Why do we need information about the variability within both groups to determine if the 5-point difference is meaningful?

Suppose Democrats and Republicans Report Their Trust of Government on a 100-Point