Use the calculator displays to the right to make a decision to reject or fail to reject the null hypothesis at a significance level of α=0.10. ​Z-Test   ​Z-Test   Inpt: Data Stats       μ≠80   μ0​:80     z=−1.59719141   σ​:5.25     p=0.11022305   x​:78.75     x=78.75   ​n:45     n=45   μ: ≠μ0 <μ0 >μ0           Calculate Draw

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