Question: 12. Use Appendix B.2, Excel, or another software package to locate the value of t under the following conditions: a. The sample size is 15,

12. Use Appendix B.2, Excel, or another software package to locate the value of t under the following conditions:

a. The sample size is 15, and the level of confidence is 95%.

b. The sample size is 24, and the level of confidence is 98%.

c. The sample size is 12, and the level of confidence is 90%.

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