1.1

1.) Statistics: a science based on finding, organizing, summarizing, and analyzing information in order to draw conclusions 3.) individual

5.) statistic; parameter

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.) population: 13-17 year olds living in the U.S.; sample: 1028 13-17 year old living in the U.S.

40.) population: all bottles filled on october 15th; sample: 50 bottles filled on october 15th

41.) population: all of the soybean plants; sample: 100 selected soybean plants

42.) population: every household in the U.S.; sample: 50,000 surveyed households

1.2

13.) observational

14.) experiment

15.) experiment

16.) observational

17.)

    a) This is a cohort study because the group of individuals is examined over a long period of time, as well as exposed to unintentional factors.
    
    b) The explanatory variable is how happy the individual is, and the response variable is whether or not they develop heart disease.
    
    c) This sentence is the researchers identifying a confounding variable which can occur when 2 or more explanatory variables aren't separated.