Question: Use Appendix B.5 to locate the value of t under the following conditions. a. The sample size is 12 and the level of confidence is

Use Appendix B.5 to locate the value of t under the following conditions.
a. The sample size is 12 and the level of confidence is 95%.
b. The sample size is 20 and the level of confidence is 90%.
c. The sample size is 8 and the level of confidence is 99%.

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