Mathematics, 31.03.2020 01:01 lizzy2951
A professor finds that the average SAT score among all students attending his college is 1150 ± 150 (μ ± σ). He polls his class of 25 students and finds that the average SAT score is 1200. Suppose he computes a one-sample z test at a .05 level of significance. What is his decision
Answers: 3
![Z= \frac{X[bar]-Mu}{\frac{Sigma}{\sqrt{n} } } ~~N(0;1)](/tpl/images/0572/2290/51979.png)
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A professor finds that the average SAT score among all students attending his college is 1150 ± 150...
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