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Saturday, February 1, 2014

Answer Only - Means

TEN QUESTIONS WITH EQUAL WEIGHTQUESTION ONEA random sample of 30 executives from companies with assets oer 1 million was selected and asked for their annual income and level of fosterage . The compend of variance comparing the average income among three levels of education spurned the nobody hypothesis . The Mean Square Error (MSE ) was 243 .7 . The hobby shelve summarized the results1 .When comparing the mean salaries to test for unlikenesss between discourse authority , the t statistic is based onA )The treatment degrees of freedomB )The C )The defect degrees of freedomD )The ratio of treatment and error degrees of freedom ? 2 .052 6 .51B )2 .0 ? 3 .182 6 .51C )2 .0 ? 2 .052 42 .46D ) of the above3 . found on the comparison between the mean annual incomes for executives with undergrad and hold s decimal point or m oreA )A arrogance musical separation shows that the mean annual incomes are non importantly differentB )The compend of variance results show that the mean annual incomes are importantly differentC )A confidence interval shows that the mean annual incomes are really differentD )The ANOVA results show that the mean annual incomes are not significantly different4 .When comparing the mean annual incomes for executives with a in high spirits School education or little and undergraduate Degree , the 95 confidence interval shows an interval of 11 .7 to 42 .7 for the difference of opinion . This result indicates thatA )There is no significant difference between the two incomesB )The interval contains a difference of zeroC )Executives with and Undergraduate Degree fetch significantly more than executives with a in high spirits School education or lessD )Executives with and Undergraduate Degree earn significantly less than executives with a High School education or lessQUESTION T WOA gross tax income manager for an advert! ising agency believes at that place is a relationship between the number of contacts and the amount of the sales To verify this believe , the following data was collected5 .What is the value of the coefficient of determinationA )9 .3104B )0 .9754C )0 .6319D )0 .95136 .The 95 confidence interval for 30 calls isA )55 .8 , 51 .5B )51 .4 , 55 .9C )46 .7 , 60 .6D )31 .1 , 76 .27 .What is the regression equationA )Y 2 .1946 - 12 .201XB )Y -12 .201 2 .1946XC )Y 12 .201 2 .1946XD )Y 2 .1946 12 .201XQUESTION THREEThe table below shows the sales for a plastics manufacturer recorded over the past class . The seasonal indexes for each quarter are also provided . To spoil the arch for these four quarters , use the indexes to deseasonalize the sales data8 .What is the deseasonalized sales vaABABD )cannot be determined...If you want to get a full essay, rank it on our website: OrderCustomPaper.com

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