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Use the data b The number of kilometers that Sue jogged each day the last 10 days is shown below. 7.5, 5.9, 6.4, 5.8, 8, 7.6, 7.8, 6.2, 5.7, 6.1 4. What is the mean of the data? A. 6.6 C. 6.8 B. 6.7 D. 6.9

Sagot :

The mean is the average of the data.

Mean is calculated by the sum of the data divided by the number of data

From the given problem :

we have 10 data,

and the sum of these data is :

7.5 + 5.9 + 6.4 + 5.8 + 8 + 7.6 + 7.8 + 6.2 + 5.7 + 6.1 = 67

So the mean will be :

mean = 67/10 = 6.7

The correct answer is B. 6.7

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