Four hundred and thirty two of the 668 respondents questioned said that they favored capital punishment for people convicted of murder
Ten years ago, in response to the same question, 378 out of 703 people were in favor of capital punishment. Has support for capital punishment risen over the ten year period?
What was the ideal response?
ANSWER: Now: 0.65 ± .04 or: The percentage of the population which supports capital punishment is between 61% and 69%.
Ten years ago: 0.54 ± .04 or: The percentage of the population which supported capital punishment was between 50% and 58%.
The lower limit of the confidence interval for this year (61%) is higher than the upper limit of the confidence interval for ten years ago (58%). It seems safe to conclude that support has increased over the ten year period.
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a. true b. false
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