Explain the meaning of positive and negative values

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Reference no: EM131792968

Go Green

A survey report shows that in an office 47% of the senior management and 34% of executives implemented the motto "Save Water, Save Trees, Go Green" in routine office activities.

A 95% confidence interval for the difference in these proportions is (-0.15 to -0.09), or, in other terms of percentage points, (-15% to -9%).

(Use the executives as population 1.) Interpret this confidence interval. If the interval contains 0, indicate what this means.

Explain the meaning of positive and/or negative values.

Reference no: EM131792968

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