To construct: The 95% confidence interval for the population mean. Also, explain the additional information that is being provided by the confidence interval.
Answer to Problem 82E
The confidence interval is (297.46,300.61)
Explanation of Solution
Given:
The data set is:
299.4 |
297.7 |
301 |
298.9 |
300.2 |
297 |
Formula used:
The formula to compute the t -interval is:
Calculation:
The obtained output using Ti-83 plus calculator is:
From the above output, the 95% confidence interval is
Chapter 9 Solutions
The Practice of Statistics for AP - 4th Edition
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