title: “HW1_skeleton” author: “Harrel Blatt” date: “January 21, 2017” output: html_document —

1.1

1.) statistics is the science of collecting, organizing, summarizing, and analyzing information to draw conclusoins or answer questions.

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.

7.) parameter

9.) statistic

11.) statistic

13.) statistic

15.) qualitative

17.) quantitative

19.) quantitative

21.) qualitative

23.) discreet

25.) continuous

27.) continuous

29.) discreet

39.) Population -Teenagers between 13 and 17, Sample - 1028 teenagers

40.) Population - Coca Cola bottles filled, Sample - 50 bottles from October 15th

41.) Population - soybeans, Sample - 100 soybeans put on plant

42.) Population - entire population of U.S., Sample - 50,000 households

1.2

13.) Observational study

14.) Observational study

15.) Experiment

16.) Observational Study

17.)

    a) Cohert study, because it is prospective and requires a large amount of people to participate over a long period of time. 
    
    b) Whether or not heart disease is contracted is the response variable. The explanatory variable is the level of happiness of each individual.
    
    c) This sentence means that genetics could have been a lurking variable that confounded the study.