Do a little research and investigate the difference between the economic indicat

Question

Do a little research and investigate the difference between the economic indicators of a state's median household income and a state's income per capita. What are the populations being studied here? Is it possible for one indicator to increase while the other decreases? In these problems determine the population and the sample. (a) In a survey of 2000 U.S. high school seniors less than one in five are currant marijuana users. (b) In a sample of 10 bags of Doug's Super Green grass seed only 70% of the seeds were actually grass seeds. (c) The Gallup Organization contacts 1500 men over 50 years of age and live in the United States and asks them whether or not they smoke. Parameters -vs- Statistics: Determine whether the given piece of information is most likely a parameter or a statistic. Ie. Determine if the quoted value came from population or sample data. (a) The average GPA for the graduating class of State College was 2.87. (b) 8 out 10 Vermont teenagers do not smoke. (c) In a sample of 100 students the average GPA was 2.87. (d) According to the U.S. Bureau of Labor and Statistics, the U.S. unemployment rate for January 2011, was 9.2%. Determine whether the given piece of information is most likely a parameter or a statistic. (a) The 2008 Toyota Prius gets 46 miles to a gallon of gas. (b) In a long-term observational study of 1000 adult males, 10% of the smokers developed throat or lung cancer while only 1.5% of the non-smokers developed throat or lung cancer. (c) Women have more taste buds then men.

Explanation / Answer

3)

a) Marijuana current Users = 1/5*total users = 1/5*2000= 400

b) Grass seeds = 70%(10 super green grass) = 70/100 *10 = 7

c) Which refers of sample. Because total men’s population over 50 years was on Millions and survey was only on1500.

4) Parameters are numbers that summarize data for an entire population. Statistics are numbers that summarize data from a sample, i.e. some subset of the entire population.

5)

a) Referring of parameter exact value

b) Long term observational study of 1000 adult males, parameter referring of whole 1000 members

c) Which referring of whole population so, its parameter.

Related Questions

Navigate

• Browse (All)
• Browse D
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.