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8.Given below are the marks of 7 studentsin a science test.6, 7, 8,7,9,9,10Use the data to answer the following questions.A. What is the range of the data?B. Find the mean of the marks obtained by the7 students.

Answer»

Writing the numbers in increasing order

6,7,7,8,9,9,10

A. Range : 6-10

B. Mean = 6+7+7+8+9+9+10/7

= 56/7

= 8

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