In Problems 30-44, a research objective is presented. For each, identify the pop
ID: 3068154 • Letter: I
Question
In Problems 30-44, a research objective is presented. For each, identify the population and sample in the study 39. The Gallup Organization contacts 1028 teenagers who are 13 to 17 years of age and live in the United States and asks whether or not they had been prescribed medications for any mental disorders, such as depression or anxiety 40. A quality-control manager randomly selects 50 bottles of Coca-Cola that were filled on October 15 to assess the calibration of the filling machine. 41. A farmer interested in the weight of his soybean crop randomly samples 100 plants and weighs the soybeans on eac plant. 42. Every year the U.S. Census Bureau releases the Current Population Report based on a survey of 50,000 households. Th goal of this report is to learn the demographic characteristics, such as income, of all households within the United States.Explanation / Answer
39.
Population: Teenagers who are 13 to 17 years of age and living in the United States
Sample: 1028 teenagers who are 13 to 17 years of age and living in the United States
40.
Population: All bottles of Coco-Cola that were filled in October 15
Sample: 50 bottles of Coco-Cola that were filled in October 15.
41.
Population: Soyabean crop of the farmer
Sample: 100 plants of soyabeans of the farmer
42.
Population: Households within the United States
Sample: 50,000 households within the United States
48.
(a)
Research objective: To determine if application of duct tape ia as effective as cryotherapy (liquid nitrogen applied to the wart for 10 seconds every 2 to 3 weeks) in the treatment of common warts.
(b)
Population: All patients having Common Wart
Sample: 51 patients selected
(c)
Descriptive statistics:
Proportion of patients who had complete resolution of their warts
(d) Conclusions:
The duct tape is significantly more effective in treating warts than cryotherapy.
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