1.) Statistics is the science of collecting, organizing, and summarizing information to draw a logical conclusion from the results. It is also about providing a measure of confidence in any conclusions.
3.) Individual
5.) Statistic
7.) Parameter
9.) Statistic
11.) Statistic
13.) Statistic
15.) Qualitative.
17.) Quantitative
19.) Quantitative
21.) Qualitative
23.) Discrete
25.) Continuous.
27.) Continuous
29.) Discrete
39.) Sample: 1028 teenagers aged 13 to 17 that were contacted by the Gallup Organization. Population: All the teenagers aged 13 to 17 in the United States.
40.) Sample: 50 bottles of Coca-Cola selected for quality control check. Population: All the bottles of Coke that were filled by the filling machine.
41.) Sample: The 100 soybean plants selected by the farmer to examine their weight. POpulation: The entire soybean crop yield.
42.) Sample: The 50,000 households selected by the U.S. Census Bureau. Population: All the households in the United States.
13.) Observational Study
14.) Observational Study
15.) Experiment
16.) Observational Study.
17.)
a) This is a cohort study because a certain group of people were asked about their level of happiness and heart disease over a long period of time. At the end of the study, a final determination was made regarding the link between happiness and heart disease, which is what a cohort study is designed to do.
b) The response variable is the risk of getting heart disease, while the explanatory variable is the level of happiness experienced by individuals.
c) This sentence indicates that there is a lurking variable in the study, which in this case is genetics, and it affects both the explanatory variable and the response variable.