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If it were discovered that the unemployment rate for Country Y shown f
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13 Apr 2023, 05:16
13 Apr 2023, 05:16
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44% (01:33) correct
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If it were discovered that the unemployment rate for Country Y shown for 2003 was incorrect and should have been 6% instead, then the average (arithmetic mean) unemployment rate per year for the 10 years shown would have been off by approximately how many percentage points?
A 0.25
B 0.3
C 2.5
D 3
E 25
Re: If it were discovered that the unemployment rate for Country Y shown f
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13 Apr 2023, 05:22
13 Apr 2023, 05:22
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The 2003 unemployment rate for Country Y shown in the graph is 8.5%, so 6% is a decrease of 2.5 percentage points. At this point, you could calculate both averages and compare them directly, but it’s much faster to think critically. There are 10 years shown, so each year contributes one tenth of the average. Thus, a decrease of 2.5 percentage points would decrease the overall average by 2.5 ÷ 10, or 0.25 percentage points, (A).
The 2003 unemployment rate for Country Y shown in the graph is 8.5%, so 6% is a decrease of 2.5 percentage points. At this point, you could calculate both averages and compare them directly, but it’s much faster to think critically. There are 10 years shown, so each year contributes one tenth of the average. Thus, a decrease of 2.5 percentage points would decrease the overall average by 2.5 ÷ 10, or 0.25 percentage points, (A).
Re: If it were discovered that the unemployment rate for Country Y shown f
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30 Oct 2024, 07:26
30 Oct 2024, 07:26
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