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12 Nov 2023, 11:07
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Dropdown 1: 2012
Dropdown 2: 2010
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
72% (02:16) correct
28%
(02:20)
wrong
based on 803
sessions
History
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Not Attempted Yet
Attachment:
13.jpg [ 32.95 KiB | Viewed 15388 times ]
The graph shows the cumulative global wind capacity (the capacity for generating electricity with wind turbines), in megawatts, as of the end of each of the years 2009-2013.
Based on the information provided, select the options from the drop-down menus that create the most accurate statement.
The greatest one-year Increase in megawatts of wind capacity occurred in , and the greatest one-year percent Increase in wind capacity occurred In .
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Dropdown 1: 2012
Dropdown 2: 2010
29 Apr 2024, 23:15
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parkhydel
Attachment:
13.jpg
The graph shows the cumulative global wind capacity (the capacity for generating electricity with wind turbines), in megawatts, as of the end of each of the years 2009-2013.
Based on the information provided, select the options from the drop-down menus that create the most accurate statement.
The greatest one-year Increase in megawatts of wind capacity occurred in , and the greatest one-year percent Increase in wind capacity occurred In .
For the first drop down we need the greatest increase in the amount of capacity.
Th figures shown are as of the end of each of the years. From end of 2009 to end of 2010 which means
In 2010, the increase was 198 - 159 = 39
In 2011, the increase was 238 - 198 = 40
In 2012, the increase was 283 - 238 = 45
In 2013, the increase was 318 - 283 = 35
So increase was maximum in 2012. ANSWER
For second drop down we need the maximum percentage increase.
In 2010, the increase of 39 was on a much smaller figure of 159,000. In 2011, a similar increase (of 40) was on a much larger number of 198,000.
So we know that percentage increaes in 2010 will be greater than that in 2011.
In 2012, the increase is more (about 5% more) but the base of 238,100 is much much larger (about 50% more). Hence the percentage increase in 2012 will be lower than that in 2010.
Maximum percentage increase will be in 2010. ANSWER
When looking for max percentage increase, focus on smallest bases. They usually will give the maximum percentage change.
Check percentages here:
https://youtu.be/HxnsYI1Rws8
24 Nov 2023, 09:12
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First question:
subtract each 2 consecutive column .
1. 198-159= 37
2. 238-198= 40
3. 283-238= 45
4. 318-283= 35
The greatest absolute increase is for 2012.
Second question:
divide the the obtained values from first question to the value of each year . This is percentage change formula
1. 37/159= 23%
2. 40/198= 20%
3. 45/283= 15%
4. 35/318= 11%
2009 is not among answer choices, so 2010 is the greates
subtract each 2 consecutive column .
1. 198-159= 37
2. 238-198= 40
3. 283-238= 45
4. 318-283= 35
The greatest absolute increase is for 2012.
Second question:
divide the the obtained values from first question to the value of each year . This is percentage change formula
1. 37/159= 23%
2. 40/198= 20%
3. 45/283= 15%
4. 35/318= 11%
2009 is not among answer choices, so 2010 is the greates
