EDCO 735 Statistics Week 1 Quiz- Questions and
Answers
Quasi experimental designs: Correct Ans-tend to occur in natural settings
What does the height of each bar in a histogram represent? Correct Ans-number of cases
in a bin (ie a specific range of scores)
Without random assignment, why assumption may be violated? Correct Ans-equivalence
of groups across treatment conditions
Which element is not typically included in a well designed behavioral experiment? Correct
Ans-uncontrolled variables
The level of measurement has an absolute zero as a meaningful value is: Correct Ans-ratio
Which of the following is not considered to be quantitative? Correct Ans-nominal
In simple random sampling, populations members: Correct Ans-have an equal chance of
being selected
What does it mean if a sample is representative? Correct Ans-it has similar characteristics
as the population
Answers
Quasi experimental designs: Correct Ans-tend to occur in natural settings
What does the height of each bar in a histogram represent? Correct Ans-number of cases
in a bin (ie a specific range of scores)
Without random assignment, why assumption may be violated? Correct Ans-equivalence
of groups across treatment conditions
Which element is not typically included in a well designed behavioral experiment? Correct
Ans-uncontrolled variables
The level of measurement has an absolute zero as a meaningful value is: Correct Ans-ratio
Which of the following is not considered to be quantitative? Correct Ans-nominal
In simple random sampling, populations members: Correct Ans-have an equal chance of
being selected
What does it mean if a sample is representative? Correct Ans-it has similar characteristics
as the population
