Chapter 8 Excel Quiz

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1. False 2.It was the only logical conclusion for Asia’s decline 3. Overcoming or remaining in the biological old regime 4. Chinese desire for silver

Quiz 9

1. False 2.It was the only logical conclusion for

Q • Question 1 5 out of 5 points Now, after following the above-stated instructions, you should have enough to calculate the 95% confidence interval, (x? - E, x? + E). Select the appropriate confidence interval (rounded to two decimal places), and the correct interpretation of the confidence interval. • Question 2 5 out of 5 points Now, we want to calculate the 99% Confidence Interval for SLEEP times. The only difference should be the margin of error. So, in cell F40, type =CONFIDENCE.T(0.01,F38,35), to find the maximum margin of error for the 99% confidence interval. Again, you want to use a calculator to find the confidence interval, (x? - E, x? + E). Select the appropriate confidence interval (rounded to two decimal places), and the correct interpretation of the confidence interval.

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Selected Answers: a. The confidence interval is (6.13, 7.07). e. We can be 95% confident that the average amount of sleep for all students lies between the bounds of our confidence interval.

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