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Perform pool t test for eachASSUME EQUAL VARIANCES FOR THE FOLLOWING PROBLEM. 15. Are Quarters Now Lighter? Weightsof quarters are carefully considered inthe design of the vending… Show more… Show more1. HYPOTHESES H0 : M1 = M2 H1 : M1 >M2 2. SIGNIFICANCE LEVEL a = 0.053. CRITICAL VALUE(S) Indicate location of statistic and critical values on diagram! Df= 7840+40=80-2=78T value= 1.6644. TEST STATISTIC 0.55337((0.08700^2)/40)= 0.007569/40=1.89225E-4(0.06194^2)/40)= 0.0038365636/40= 9.591409E-51.89225E-4 + 9.591409E-5= 2.8513909E-4v2.8513909E-4= 0.0168860620.55337/0.016886062= 32.7708141832.7715. DECISION reject HO 6. CONCLUSIONThere ( IS / IS NOT ) enough evidence to ( REJECT / SUPPORT ) the claim that _the pre-2964 quarters have a greater wight than the post-1964 quarters.____________________________________________________________________________________________________ .7. P-VALUE (from calculator)ASSUME EQUAL VARIANCES FOR THE FOLLOWING PROBLEM. 17. Are Male Professors and FemaleProfessors Rated Differently? Listedbelow are student evaluat… Show more… Show more1. HYPOTHESES H0 : H1 : 2. SIGNIFICANCE LEVEL a = 0.053. CRITICAL VALUE(S) Indicate location of statistic and critical values on diagram!4. TEST STATISTIC 5. DECISION 6. CONCLUSIONThere ( IS / IS NOT ) enough evidence to ( REJECT / SUPPORT ) the claim that _____________________________________________________________________________________________________ .7. P-VALUE (from calculator)MathStatistics and Probability

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