Flashcards
Week 1: Variables and Measures of Data
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Margaret is investigating if gender has any effect on political party associations. What is the response variable?
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political party associations
gender
the number of people that are being studied
none of the above
Margaret is investigating if gender has any effect on political party associations. What is the resp...
Correct answer:
political party associations
The response variable is the dependent variable, which is the variable that is being measured or tested in response to changes in the independent variable. In this case the response variable is political party associations.
The _is a value or component of the independent variable applied in an experiment.
The _is a value or component of the independent variable applied in an experiment.
treatment
An explanatory variable attempts to explain or influence changes in another variable. Different values of the explanatory variable are called treatments.
A new mother keeps track of the time when her baby wakes up each morning. What is the level of measurement of the data?
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nominal
ordinal
interval
ratio
A new mother keeps track of the time when her baby wakes up each morning. What is the level of measu...
Correct answer:
interval
This is interval data because time of day is a numerical scale where differences are meaningful. However, because the time of day does not have a true zero value, it is not ratio data.
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