stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
AP / ECE Statistics Experimental Design Flashcards | StudBud
Explore
/
AP / ECE Statistics Experimental Design
AP / ECE Statistics Experimental Design
15 terms
·
StudBud Administration
·
44 plays
Imported from external platform
Flashcards
15 cards
F
Practice quiz
P
Host live
L
Questions
15
Answers
1
In the Kale diet study, the explanatory variable is
Blood Pressure
Experimental Units
Control
Kale Consumption
2
In our year-long school example, 500 surveys were sent out and 98 were returned. This was an example of
Voluntary Sample Bias
Non-response bias
Response Bias
Convenience Sample
3
In the Kale diet study, the experimental units are
Change in blood pressure
The initial blood pressure
Kale-based and Kale-free diets
The people who were randomly assigned to a treatment
4
The LA Times Online poll likely overstated the percentage of people that were against the new law because
People who voted online were probably not very passionate about the issue.
The wordings of the questions were slanted toward a particular outcome.
The demographics of the newspaper readers were right in line with all of LA
The paper probably was read mostly by older, more conservative voters.
5
The Kale Diet example was an Experiment
False
True
6
In the Kale diet study, the response variable is
Blood Pressure
Kale Consumption
Control
Experimental Units
7
An observational study is one where the researcher manipulates the treatments given to the experimental units.
True
False
8
Since only 98 of 500 surveys were returned, they plan to send out 500 more. This will fix the non-response problem.
True
False
9
In the NRA gun survey, the type of bias we saw was
Non-response Bias
Question Wording Bias
Convenience Sample Bias
Response Bias
10
In the Kale diet study, the experimental units are
Kale-based and Kale-free diets
The initial blood pressure
The people who were randomly assigned to a treatment
Change in blood pressure
11
For a survey, a researcher starts with a __________ and, through a random process, selects a _______ to take the survey
population, sample
experimental unit, treatment
Convenience sample, Voluntary Sample
treatment, experimental unit
12
In the Kale diet study, the Kale diet and the Kale-free diets were examples of
Experimental Units
Response Variables
Control
Treatments
13
Which of the following are good reasons for Mr. Lopez to scrutinize ACME's claim of adding 100 pts to a student's score
We don't know what types of students used ACME's test prep services
ACME advertised on a Twitter timeline
2nd time test takers would likely improve even without ACME services
Not all students improved by 100 points
14
The ACME SAT Prep example was an Experiment
True
False
15
If the school put out a survey asking students if they consumed alcohol in the last month, this would be an example of
Non-response Bias
Response Bias
Voluntary Sample Bias
Question-wording Bias
