MATH 534 Applied Managerial Statistics Complete Quizzes Week 1-6 Keller Devry University

Fifty percent of all technical assistants would like to have a PC. Eightypercent of all technical assistants would like to have MAC. Forty-fivepercentofalltechnicalassistantswouldliketohaveboth.Ifatechnicalassistant is randomly selected, what is the probability that she wouldliketohaveMAC,giventhats...

1. Scores on a certain exam are normally distributed with a mean of 90 and a variance of 25. What is th 2. Scores on a certain exam are normally distributed with a mean of 90 and a variance of 25. What is th 3. Which one of the following is not a characteristic of a normal distribution? X is nor...

2. Scoresonacertainexamarenormallydistributedwithameanof90andavarianceof25.99.8 7. AccordingtoanNRFsurveyconductedbyBIGresearch,theaveragefamilyspendsabout $23 8. AccordingtotheAirTransportAssociationofAmerica,theaverageoperatingcostofanMD 10. Selectionofthesamplesbasedontheconvenienceoftheresear...

1. Supposearandomsampleof400isselectedfromapopulationwithastandarddeviationof5.Ifthesamplemeanis25,the98%confidenceintervaltoestimate thepopulationmean is between 2. Thepointestimateofthepopulationmeanis 3. Supposearandomsampleof50isdrawnfromapopulationwhosestandarddeviationisunknown.Ifthesampleme...

1 Suppose a random sample of 400 is selected from a 2 The point estimate of the population mean is 3 Suppose a random sample of 50 is drawn from a po 4 Suppose a researcher is interested in understanding 5 Brian Vanecek, VP of Operations at Portland Trust B 6 James Desreumaux, VP of Human Resou...

1. In a hypothesis test,the test statistic computed from the sample data is considered extreme or significant if it is . 2. Atestofthehypotheses,H0:p=0.18andH1:p≠0.18isa 3. Ananalysttestedthenullhypothesisµ≥30againstthealternativehypothesis that µ <30. The analyst reported a p-value of 0....

MATH 534 Week 5 Quiz Questions and Answers Kelller Devry University

MATH 534 Week 6 Quiz (v1) 1. Avalueof-1forthecoefficientofcorrelationbetweentwovariablesmeansthatthetwovariablesare . 2. Ifthereis positivecorrelationbetweentwosets ofnumbers,then 3. If the correlation coefficient between variables X and Y is roughlyzero,then . 4. Determine the Pearson produ...

3 If the correlation coefficient between variables X and Y is roughly zero, then 6 In the equation y = m x + b, which represents a straight lime, b is the 7 If the relationship between y and x is given by the equation y = 1.57 − 0.0407 x, the slope coefficient 0.0407 means this for every unit i...