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5. The t value for a 95% confidence interval when the sample size is 20 is equal to a. 1.96 b. 2.093 2.086 1.729 c.

5. The t value for a 95% confidence interval when the sample size is 20 is equal to a. 1.96 b. 2.093 2.086 1.729 c. d e. none of the above

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