1.) Statistics is the science of collecting, organizing, summarizing, and analyzing information to draw conclusions or answer questions. Stats allows for confidence to conclusions made about a topic.
3.) Individual.
5.) Statistic
7.) Parameter
9.) Statistic.
11.) Population.
13.) Statistic.
15.) Qualitiative.
17.) Quantitative.
19.) Quantitative.
21.) Quantitative.
23.) Discrete.
25.) Continuous.
27.) Continuous.
29.) Discrete.
39.) Population- all teenagers 13-17 in the U.S Sample- all 13-17 year old teenagers who were contacted by the Gallup Org.
40.) Popualation- all coca-cola bottles filled on october 15th sample- the 50 coca-cola bottles selected.
41.) Population- All the plants. Sample- the 100 selected plants.
42.) Population- All households in the U.Ss Sample- the 50,000 households that took the survey.
13.) Observational
14.) Observational
15.) Designed
16.) Observational
17.)
a) Cohort because a group of people are followed over time and the researchers are recording a specific topic.
b) Explanatory variable - Level of happiness
Response Variable - presence of heartt disease
c) It means that genetics may be a lurking variable to the study so there may be confounding that is occuring. The element affecting heart disease may not just be happiness but also has a genetic basis.