灾难 发表于 2025-3-23 10:57:07
https://doi.org/10.1007/978-1-4615-1691-0 the 95% confidence interval about the mean (Chap. .) and the one-group t-test is explained. Three practice problems are given at the end of the chapter to test your Excel skills, and the answers to these problems appear in Appendix A of this book. An additional practice problem is presented in the迷住 发表于 2025-3-23 14:48:21
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