Questions from Business Statistics

Q: In a study of media use, each person in a large

In a study of media use, each person in a large representative sample of male Canadian high school students was asked how much time they spent playing video or computer games (in minutes per day). The...

Q: The paper titled “music for pain relief” (The Cochrane

The paper titled “music for pain relief” (The Cochrane Database of Systematic Reviews, april 19, 2006) concluded, based on a review of 51 studies of the effect of music on pain intensity, that “Listen...

Q: Give as much information as you can about the P-value

Give as much information as you can about the P-value of a t test in each of the following situations: a. Two-tailed test, df = 9, t = 0.73 b. Upper-tailed test, df = 10, t = 0.5 c. Lower-tailed te...

Q: The report “2016 Salary Survey executive Summary” (national association

The report “2016 Salary Survey executive Summary” (national association of colleges and employers, www.naceweb.org/uploadedfiles/files/2016/publications/executivesummary/2016-nace-salary-survey-fall-...

Q: The report “majoring in money: how american college Students manage

The report “majoring in money: how american college Students manage their finances” (Salliemae, 2016, www.news/salliemae.com, retrieved December 24, 2106) includes data from a survey of college studen...

Q: The authors of the paper “changes in Quantity, Spending,

The authors of the paper “changes in Quantity, Spending, and nutritional characteristics of adult, adolescent and child Urban corner Store purchases after an environmental intervention” (Preventative...

Q: Many consumers pay careful attention to stated nutritional contents on packaged foods

Many consumers pay careful attention to stated nutritional contents on packaged foods when making purchases, so it is important that the information on packages be accurate. Suppose that a random samp...

Q: Give as much information as you can about the P-value

Give as much information as you can about the P-value of a t test in each of the following situations: a. Two-tailed test, n = 16, t = 1.6 b. Upper-tailed test, n = 14, t = 3.2 c. Lower-tailed test...

Q: The eating habits of n = 12 bats were examined in the

The eating habits of n = 12 bats were examined in the article “foraging behavior of the indian false Vampire bat” (Biotropica [1991]: 63–67). These bats consume insects and frogs. For these 12 bats, t...

Q: The authors of the paper “mean platelet Volume could be possible

The authors of the paper “mean platelet Volume could be possible biomarker in early Diagnosis and monitoring of gastric cancer” (Platelets [2014]: 592–594) wondered if mean platelet volume (MPV) might...