Choosing an SRS in four steps:
Step 1: _. Assign a numerical label to every individual in the population.
Step 2: _. Use Table B or calculator for random digits to select labels at
Mathprbrandint(lowest #, highest #, # you want in your sample)
_ _ : we observe individuals and measure
variables of interest but do NOT attempt to influence their responses.
_: we deliberately impose some treatment on individuals in
order to observe their responses.
Read Example 5.1 on page 329
5.1 Designing Samples
5.2 Designing Experiments:
The individuals on which the experiment is done are the
When the units are human beings, they are called _.
A specific experimental condition applied to the units is called a _.
The goal of research is to establish a causal l
Cautions about Sample Surveys:
Read page 343
_ occurs when some groups in the population
are left out of the process of choosing the sample.
_ occurs when an individual chosen for
A _ is a group of experimental units or subjects that are known before the experiment
to be similar in some way that is expected to systematically affect the response to the treatments. In a block
design, the random assignment of units to treatments is ca
Practice Test 5 Solutions
Flawed because the wording of the question includes a position and leads the participant