If a pharmaceuticals company was seeking to improve its cold remedy medication, a survey could be used to determine, "How important is it that your cold remedy relieves your ________?" using a 10-point scale of 1=not important to 10=very important for each of several cold symptoms such as "congestion," "cough," or "runny nose." The researcher would then want to look for significant differences between the averages of two ________.

If a pharmaceuticals company was seeking to improve its cold remedy medication, a survey could be used to determine, "How important is it that your cold remedy relieves your ________?" using a 10-point scale of 1=not important to 10=very important for each of several cold symptoms such as "congestion," "cough," or "runny nose." The researcher would then want to look for significant differences between the averages of two ________. 



A) groups
B) z tests
C) variables
D) group differences
E) hypothetical t values


Answer: c


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