1.1
1 “is the science of collecting, organizing, summarizing, analyzing information to draw conclusion or answer questions. In addition, statistics is about providing a measure of confidence in any conclusions’.
2
3 Individual.
4
5 Statistic.
6 type answer here.
7 Parameter.
8 type answer here.
9 Statistic.
10 type answer here.
11 Parameter.
12 type answer here.
13 Statistic.
14 type answer here.
15 Qualitative.
16 type answer here.
17 Quantitative.
18 type answer here.
19 Quantitative.
20 type answer here.
21 qualitative.
22 type answer here.
23 Discrete.
24 type answer here.
25 continuous.
26 type answer here.
27 continuous.
28 type answer here.
29 Discrete.
39 The population is all teens in the US between 13 to 17, and the sample is the 1028 students that were spoken to.
40 The population is all bottles filled on Oct. 15, and the sample is the 50 randomly selected bottles.
41 The population are all the farmers plants, and the sample is the 100 he weighs.
42 Population is everyone in the US, sample is the 50,000 they report
43 Population is all the women with hypertension between the ages of 27 to 44, sample is the 7373 women they tested.
1.2
9 Observational study.
10 experiment.
11 experiment.
12 Observational study.
13 Observational study.
14 Observational study.
17
This is cohort study because they observe the participation group for a long period of time.
explanatory variable is the level happiness, the response is heart diessese.
The study is confounding and there is a lurking variable.
20
This is an observational study because the researchers don’t modify any variables and it is a cohort study because it follows the participants over a long period of time.
The explanatory variable is marriage or cohabitation and the response variable is weight gain.
Levels of activity, profession, and genetics (metabolism).
Yes, we can conclude that getting married or cohabitation causes one to gain weight. People’s weight fluctuates 1 to 2 lbs, however they all gained a significant amount.