Survey Questions: Comment on the next throe problem as a potential sample survey
ID: 3255331 • Letter: S
Question
Survey Questions: Comment on the next throe problem as a potential sample survey question. Is the question clear? Is it slanted toward a desired response? Some cell phone users haw developed brain cancer. Should all cell phones come with a warning lalbel explaining the danger of cell phone use? Do you agree that a national system of health insurance should be favored because it would provide health insurance for everyone and would reduce administrative costs? In view of the negative externalities in parent labor force participation and pediatric evidence associating increased group size with morbidity of children in day care, do you support government subsidies for day care programs? Tax Rate Change: Suppose a tax rate increases from 5% to 10%. Which statement is not true. The tax rate doubled. The tax rate increased by 200%. The tax rate increased by 5 percentage points. The tax rate increasing by 100%. Attrition Rates: The rate at which students do not return to college is called the attrition rate. At State College 120 of the 2000 Freshmen did not return for their Sophomore year. At State University.360 of the 12000 Freshman did not return for their Sophomore year. Use percentages to describe the difference in attrition rates between the two schools. Make the difference sound big, and make it sound small. Jeans -vs- Khakis: A pair of jeans costs $100 and a pair of khakis costs $80. Complete the following statements. Round your answer to the nearest whole percentage point. The jeans cost 1 % more than the khakis. The khakis cost % less than the jeans. Tuition: The tuition at State College is about $8,000 per year. The tuition at State University is about $12,000 per year. Complete the following statements. Round your answer to the nearest whole percentage point. State University costs % more than State College. State College costs % less than the State University. Grass Seed: In a 10 pound bag of Doug's grass seed. 95% of the actual seeds are grass while the other seeds are weeds. In a 10 pound bag of generic grass seed, only 80% of the are actually grass seeds. Complete the following statement. Round your answer (as a permit) to two decimal place's. Doug s grass seed contains % more actual grass seeds than the generic brand.Explanation / Answer
Q.11 Tax rate increases from 5% to 10%. False statement is
(a) Tax rate is doubled = TRUE
(b) Tax rate increase by 200% = False, it is only 100% increased.
as % increase = (10-5)/5 * 100 = 100
(c) Tax rate increase by 5% - True statement
(d) The tax rate increased by 100% = True
Q.12
IN first case, in state college attrition rate = 120/ 2000 * 100 = 6%
In second case, in state university, attrition rate = 360/12000 * 100 = 3%
Difference in attrition rate of both schools = 6 - 3 = 3%
Sound Big, THe attrition rate in state college is 100% more than state university.
Sound small. THe attrition rate in state colege is only 3% above the state university.
Q.13 Pair of Jeans costs = $ 100 and Khakis cost = $ 80
(a) Cost of Jeans is = (100 - 80)/80 * 100 = 25% more than of khaki.
(b) Cost of Khakis is = (100 - 80)/100 * 100 = 20% less than of Jeans.
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