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26-04-2024
Mathematics

Answered

Lars is a fan of football and wanted to compare the running speed of running backs versus wide receivers in running 40 yards, so he compared the times between the two groups. He set his alpha to 0.05 and ran a t-test. The t-test output from Excel is below. Please estimate the pooled variance.
1) 0.60
2) 0.62
3) 0.64
4) 0.68

Answer :

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