QUESTION 1 (1.5+1.5+2=5 Marks) A survey is run by company R about popularity of two brands of soft drinks over a widely
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QUESTION 1 (1.5+1.5+2=5 Marks) A survey is run by company R about popularity of two brands of soft drinks over a widely
QUESTION 1 (1.5+1.5+2=5 Marks) A survey is run by company R about popularity of two brands of soft drinks over a widely range of age groups. The two data sets with popularity scores are shown here: Brand X1: 25, 26, 25, 28, 26, 28 Brand X2: 25, 26, 25, 28, 26, 28 a) What are the mean and standard deviation for the Brand X1? b) What are the mean and standard deviation for the Brand X2? c) Compare the centers and variabilities of the two brands using the results of parts a and b.