The following table contains information on matched
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The following table contains information on matched sample values whose differences are normally distributed. Use Table 2. |
Number | Sample 1 | Sample 2 |
1 | 18 | 22 |
2 | 12 | 13 |
3 | 20 | 24 |
4 | 21 | 20 |
5 | 19 | 22 |
6 | 13 | 19 |
7 | 18 | 16 |
8 | 17 | 19 |
a. | Construct the 95% confidence interval for the mean difference ?D. (Negative values should be indicated by a minus sign. Round all intermediate calculations to at least 4 decimal places. Round your answers to 2 decimal places.) |
Confidence interval is n/r to n/r |
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