ample -vs- Population: In these problems determine the population a 1. S sample.

Question

ample -vs- Population: In these problems determine the population a 1. S sample. (a) In a survey of 2000 U.S. high school seniors less than one in five are (b) (c) and the marijuana users In a sample of 10 bags of Doug's Super Green grass seed only 70% were actually grass seeds. The Gallup Organization contacts 1500 men over 5 United States and asks them whether or not they smoke. 0 years of age and live in the 2. Parameters -vs- Statistics: Det ermine whether the given piece of information is most likely a parameter or a statistic. le. Determine if the quoted value came trom 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 US. unemployment rate for January 2011, was 9.2%. 3. Parameters -vs- Statistics: 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. Types of Data: For each of the following variables, classify them as quantitative or qualitative. If the variable is quantitative determine whether the variable is discrete or continuous. In addition, determine the level of measurement for these variables (nominal, ordinal, interval, or ratio). (a) The gas mileage from 30 different types of cars. (b) The number of taste-buds on the tongues of 20 males and 20 females. (c) The colors of all models of a certain type of car (d) Movie ratings of (number of stars) from a certain magazine. (e) The years of major tsunami events. (0 The student ID numbers from 100 randomly selected college students.

Explanation / Answer

1) Population: Whole number of people in a region or country.

Sample: A finite of part of statistical population whose properties are studied to gain knowledge about the whole population.

a) Survey of 2000 high school seniors- Sample from whole population

b) Sample proportion

c) Whole organisation with 1500 men. So, its population

2) Paramter: Parameter summarize data for the entire population

Statistics: Summarize data for the sample

a) GPA represents whole college-Parameter

b) 8/10 teenagers do not smoke- Parameter

c) The sample data- Statitics

d) Whole population- Parameter

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

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