What is the standard deviation


The Following are the data from a test: 70,90,93,74,88,94,53,96,56,87,97,94,82.79,89,85,94,96,&80. What is the Average( Mean,Median, and Mode)? What is the standard Deviation? What is the Variance? At the 95% level of significance, are thereany dat points that are significant?

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Business Management: What is the standard deviation
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