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Q1 A researcher examines if there is an association between amount of hair grease (in milliliters) in hair plus hair length (inches). Seventy-five research participants

Q1 A researcher examines if there is an association between amount of hair grease (in milliliters) in hair plus hair length (inches). Seventy-five research participants were randomly selected to take part in the study. What level of measurement is hair grease?

A.Ordinal

B. Interval

C. Nominal

D. Ratio

Q2 Correlation coefficients are used when you are looking for a relationship or an association between variables in how many samples A. One B. Two C. Five D.Any number of samples

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