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Use a x squared-test to test the claim about the population variance or standard deviation at the given level of significance and using the given sample statistics.

Claim: ơ2 ≤ 60; α = 0.025. Sample statistics: s2 = 72.7, n = 15

  • Statistics -

    Is x-squared supposed to mesoan chi-squared?

  • Statistics -

    I think so, yes. I did not know how to type the symbols correctly on computer.

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