Question

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the table shows the amounts of electricity, in megawatts, generated by wind-powered turbines in texas from 2004 to 2010.
electricity generated by wind power
year megawatts
2004 1,290
2005 1,992
2006 2,736
2007 4,353
2008 7,113
2009 9,403
2010 10,089
to the nearest megawatt, what is the mean amount of electricity generated in texas by wind-powered turbines from 2007 to 2010?

Explanation:

Step1: Identify relevant values

Values: 4,353; 7,113; 9,403; 10,089

Step2: Sum the selected values

$4353 + 7113 + 9403 + 10089 = 30958$

Step3: Calculate the mean

$\text{Mean} = \frac{30958}{4}$

Step4: Round to nearest megawatt

$7739.5 \approx 7740$

Answer:

7740