A data set has a mean of x = 75 and a standard deviation of 11.4. Find the z-score for each of the following.
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Part (a)
[tex]z=\frac{85-75}{11.4} \approx \boxed{0.88}[/tex]
By similar logic, the answers to the other parts are
(b) 1.75
(c) -2.19
(d) 0