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ISEE Middle Level
Quantitative Reasoning

Comparing Means of Two Data Sets

Very Hard Quantitative Comparisons Data Analysis

Consider the following data sets:

Set A: {3, 6, 9, 12, 15}

Set B: {2, 5, 8, 11, 14}

Determine which of the following statements is true regarding the mean (average) of each set:

Calculate the mean for Set A and Set B:

Mean of Set A = $$ rac{3 + 6 + 9 + 12 + 15}{5}$$

Mean of Set B = $$ rac{2 + 5 + 8 + 11 + 14}{5}$$

Hint

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