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Consider a population with u=70.2 and o=4.61. (A) Calculate the z-score for x=73.2 from a sample of size 10. (B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?
I take it u=µ and o=σ?
I can't help you with what Appendix B is in your book, but I can show you the z-score formula.
Yeah the symbols are that way and I think I have the z-score formula but could use a refresher
I have Appendix B table 3 pulled up from my book so if we can get the problem solved I can do the rest please
Cool. Use those formulas, and you should be fine.
Try here for more info:
Thank you so much so far everything I have looked at including my text book has been confusing.
Stats is a messy place. It takes a strong combination of mathematical skill and good ol' common sense. Good luck!