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# Untitled-3 - 6 Using a 10 level of signiﬁcance what is...

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Unformatted text preview: 6. Using a 10% level of signiﬁcance, what is the conclusion of the meteoroligst’s hypothesis? F0.10,59,49 = 1-429 Fot05,59,49 = 1-583 Fo.95,59,49 = 0-639 F0.90,59,49 = 0-706 a. Reject the null hypothesis, conclude that the variance in New York is different from that in Boston b. Reject the null hypothesis, conclude that the variance in New York is the same as in Boston c. Do not reject the null hypothesis, there is insufﬁcient evidence that the variance in New York is different from that in Boston ’ I (1. Do not reject the null hypothesis, there is insufﬁcient evidence that the variance in New York is the same as in Boston e. Accept the null hypothesis, the variance in New York is the different from that in Boston 7. Which of the following about the chi-squared distribution is false? a. We use the X2 distribution to perform tests on the equality of two unknown vari— ances '4‘ b. The X2 is not symmetric 0. Only positive chi—squared values are possible d. The number of degrees of freedom is an approximation to the center of the distri— bution e. It is skewed to the right r, { ...
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