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Evaluate the formula χ2= (n−1)s2 σ2 when σ=1.61​, n=39​, and s=3.79.
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44 votes
44 votes
Evaluate the formula χ2=
(n−1)s2
σ2 when σ=1.61​, n=39​, and s=3.79.

Evaluate the formula χ2= (n−1)s2 σ2 when σ=1.61​, n=39​, and s=3.79.-example-1
User Merus
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1 Answer

9 votes
9 votes

Answer: 210.577

Work Shown:


\chi^2 = ((n-1)s^2)/(\sigma^2)\\\\\chi^2 = ((39-1)(3.79)^2)/((1.61)^2)\\\\\chi^2 = (38*14.3641)/(2.5921)\\\\\chi^2 = (545.8358)/(2.5921)\\\\\chi^2 \approx 210.57667528259\\\\\chi^2 \approx 210.577\\\\

User Norka
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2.8k points
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