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January 28, 2015

January 28, 2015

Posted by **Dawn** on Wednesday, October 17, 2012 at 8:27am.

(A) Calculate the z-score for x=94.9 from a sample of size 12.

(B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?

- statistics -
**MathGuru**, Wednesday, October 17, 2012 at 7:13pm(A) z = (x - mean)/(sd/√n)

With your data:

z = (94.9 - 93.3)/(5.27/√12)

I'll let you finish the calculation.

(B) Do not have access to the table.

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