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# Untitled-2 - Use the following information to answer the...

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Unformatted text preview: Use the following information to answer the next 3 questions (4-6): A meteorologist is interested in determining if the variance of temperatures is different be- tween Boston and New York . She randomly samples 60 days over a 40 year period for Boston and another random 50 days over the same period for New York. The sample variance for Boston (population 1) is found to be 8.6 and the sample variance for New York (population 2) is found to be 12.7. 4. What are the appropriate null and alternative hypotheses for the meteorlogist’s question? a. Hozaf—agzlvs. leaf—wrgyél 02 <72 b.H02;%>OVS.H]I;]2‘<O 2 0i 0? CH0 33:1vs H1 0—%>1 0.2 2 dHoglf=1vsH1§7él 2 2 5. What is the value of the appropriate test statistic? a. 0.4586 ’ b. 5.0509 0. 0.1980 d. 0.8229 e. 0.6772 238 ...
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