Mathematics, 02.06.2021 09:50 ava5015
9. (6) Construct a confidence interval for Ma, the mean of the differences d for the
population of paired data. Assume that the population of paired differences is
normally distributed.
Ten different families are tested for the number of gallons of water a day they use
before and after viewing a conservation video. Construct a 90% confidence interval
for the mean of the differences.
Before 33 33 38 33 35 35 40 40 40 31
After 34 28 25 28 35 33 31 28 35 33
Answers: 1
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9. (6) Construct a confidence interval for Ma, the mean of the differences d for the
population of...
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