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1. The ages of Tara’s 7 cousins are as follows.
Answer the following questions based on the ages of Tara's 7 cousins: a. How many cousins does Tara have ? 7 b. What is the total of all their ages? 35 c. What is the mean age? 5 d. What is the median age? 5 e. What is the mode? 5 f. What is the range? 7
2. Sam has 8 cousins. Their ages are shown below.
Answer the following questions based on the ages of Sam's 8 cousins: a. What is the mean age? 6 b. What is the median age? 5.5 c. What is the mode? 4 d. What is the range? 8
3. Put Tara and Sam's cousins together: a. How many cousins do they have in total? 15 b. What is the sum of all their ages? 83 c. What is the mean age of all cousins? 5.5

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The various resources listed below are aligned to the same standard, (6SP03) taken from the CCSM (Common Core Standards For Mathematics) as the Statistics and probability Worksheet shown above.
Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.