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Asked Dec 28, 2019
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In Exercises 21–28, determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate.Movie Ratings The author rated the movie Star Wars: The Force Awakens with 5 stars on a scale of 5 stars.

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In nominal level of measurement numbers in the variable are used to only classify the data. Simply we can say name only data.  Words, letters, alpha-numeric symbols can be used in this level of measurement.
Example : Gender ( M - for male, F - for Female)

Ordinal level of measurement say about the order of variables but not the difference between each variables. It indicates an ordering of the measurements.
Example : Rank of students in a class according to...

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