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Experimental Design and Sampling Methods
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the third unit in statistics?
Analyzing data
Visualizing data
Interpreting data
Gathering data
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major challenge of conducting a census?
It provides incomplete data
It is difficult to reach everyone
It is quick to conduct
It is inexpensive
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is sample size considered more important than percentage?
Percentage is more accurate
Larger size provides a better spread
Smaller size is easier to manage
Percentage is easier to calculate
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What distinguishes an experiment from an observational study?
Observational studies are always prospective
Experiments are always retrospective
Observational studies involve treatment
Experiments involve treatment
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of randomization in experimental design?
To ensure a large sample size
To eliminate all variables
To randomly assign treatments
To control the outcome
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a double-blind experiment, who is unaware of the treatment being applied?
Only the experimenters
Only the subjects
Neither subjects nor experimenters
Both subjects and experimenters
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which sampling method involves selecting participants randomly with equal chances?
Systematic sampling
Stratified sampling
Cluster sampling
Simple random sampling
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