1.1

1.) Statistics is the science of collecting, organizing, summarizing, and analying information to draw conclusions or answer wuestions. Statistics also provides people with more confidence in outcomes.

3.) An INDIVIDUAL is a person or object that is a member of the population being studied.

5.) A STATISTIC is a numerical summary of a sample. A PARAMETER is a numerical summary of a population.

7.) parameter

9.) statistic

11.) parameter

13.) statistic

15.) qualitative

17.) quantitative

19.) quantitative

21.) qualitative

23.) discrete

25.) continuous

27.) continuous

29.) discrete

39.) The population is 13-17 year olds who live in the United States. The sample is the 1028 teenagers.

40.) THe population is Coca- Cola bottles filled on October 15th. The sample is the 50 randomly selected bottles.

41.) THe population is the aoybean crops. The sample is the 100 randomly selected plants.

42.) The population is all of the households in the United States. The sample is the 50,000 households surveyed.

1.2

13.) Observational study

14.) Observational study

15.) Experiment

16.) Observational study

17.)

    a) Cohort Study
    
    b) The response variable is whether or not individuals experienced heart disease.  The explanatory variable is participants' happiness.
    
    c) A confounding variable in this study is the factor of genetics.  Genetics could be the primary causation of the heart disease, which could make happiness simply association.