Values of population not indicated. We do not know what is contained in Table 3. If Table 3 is the one I describe below, the answer is yes, if the distribution is approximately normal.
Z = (score-mean)/SD or SEm for distribution of means.
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.
Consider a population with and .
(A) Calculate the z-score for from a sample of size 13.
(B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?
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