(02.04 LC)  To study the effect of music on production in a…

(02.04 LC)  To study the effect of music on production in a cell phone factory, two experimental treatments are planned: day-long classical music for one group versus day-long rap music for another. Which of the following groups would serve best as a control for this study? (5 points)

(02.05 LC)  In 1995, Derek Jeter’s batting average was 0.250…

(02.05 LC)  In 1995, Derek Jeter’s batting average was 0.250; in 1996, his batting average was 0.314. David Justice’s batting average in 1995 was 0.253 and was 0.321 in 1996. The team statistician claims Jeter’s overall average was better than Justice’s average. What may make this claim possible? (4 points)

Various test results of a 55-year-old client indicate left v…

Various test results of a 55-year-old client indicate left ventricular heart failure with obvious forward effects. The client also has elevated heart rate and elevated antidiuretic hormone (ADH) levels. What other sign or symptom of left ventricular failure could lead the practitioner to confirm the condition?

(02.01 LC)  Which sampling method is most appropriate in est…

(02.01 LC)  Which sampling method is most appropriate in estimating the average number of votes for each candidate in an election across a county of three towns if town A has one million retirees, town B has two million business owners, and town C has three million office workers? (4 points)