1.1

1.) Numerical summary of a sample

3.) Individual

5.) Statistic; parameter

7.) Parameter

9.) Statistic

11.) Parameter

13.) Statistic

15.) Qualitative

17.) Quantitative

19.) Quantitative

21.) Quantitative

23.) Discrete

25.) Continuous

27.) Continuous

29.) Discrete

39.) Population: US teens 13-17; Sample: 1,028 teenagers

40.) Population: Coca-Cola bottles; Sample: 50 bottles

41.) Population: Soybean crop; 100 plants

42.) Population: All households within the US; Sample: 50,000 households

1.2

13.) Observational study

14.) Experiment

15.) Experiement

16.) Observational Study

17.)

    a) Cohort study because it was taken over a period of 10 years. 
    
    b) Response: Whether or not the sample gets heart disease; explanatory: the emotions involved
    
    c) Genetics could be a counfounding variable. Someone's genetics could affect whether or not they get heart disease and it could also affect the emotions.