1.1
Statistics is the science of collecting, organizing, summarizing, and analyzing information to draw conclusions or answer questions. In addition, statistics is about providing a measure of confidence in any conclusions.
2 type answer here.
individual
4 type answer here.
statistic, parameter
6 type answer here.
parameter
8 type answer here.
statistic
10 type answer here.
parameter
12 type answer here.
statistic
14 type answer here.
qualitative
16 type answer here.
quantitative
18 type answer here.
quantitative
20 type answer here.
qualitative
22 type answer here.
discrete
24 type answer here.
continuous
26 type answer here.
continuous
28 type answer here.
discrete
population: teenagers (13-17) in the US; sample: 1028 teenagers
population: bottles filled on October 15th; sample: 50 bottles
population: all of the soybean plants; 100 soybean plants
population: all households in the US; 50,000 households
population: women with hypertension (27-44); sample: 7373 women
1.2
observational
experiment
experiment
observational
observational
experiment
17
cohort: it was a select group over a certain amount of time
response: heart disease; explanatory: happiness
it might mean that there are lurking variables
20
observational because they don’t interfere; it’s a cohort study because it’s a select group over a certain amount of time
response: weight gained; explanatory: marriage status
mental health, diabetes, whether or not they own a pet, where they live, obsession with physical appearance
no, it’s just an observational study so any lurking variables have the potential to throw everything off