Question

Name INS full time students at Norwalk Community College are randomly selected and asked how often they use public transportation a) What is the population of interest? b) What is the sample? c) What is the variable? 2. For each of the following variables, identify them as qualitative, quantitative discrete. Or quantitative continuous. a) Points scored in a football game. b) Social security code. c) a person's height 3. We would like to obtain a simple random sample of 5 out of a total of 287 statisties students. A) How would you go about generating such a sample? 4. In a designed experiment, a) What does single blind mean? b) What does double blind mean?

Answer 1

1. a) Full-time students at Norwalk Community College.

b) 85 full-time students at Norwalk Community College.

c) How often they use public transportation

2. a) Quantitative discrete

b) Qualitative

c) Quantitative continuous

3) Take 287 chits and write numbers from 1 to 287 on them, then randomly select five chits.

4) a) In a single-blind experiment, the participants in the clinical trial do not know if they are receiving the placebo or the real treatment, but the experimenter knows that.

b) In a double-blind experiment, both the participants and the experimenters do not know which group got the placebo and which got the experimental treatment.