Q1: North Dakota had one of the lowest unemployment rates in both 2008 and 2012,

Question

Q1: North Dakota had one of the lowest unemployment rates in both 2008 and 2012, below 3.5% in both years, largely due to the shale oil boom. In 3 – 5 sentences, explain to a North Dakotan what happened to the distribution of state unemployment rates over the four years from 2008 to 2012 in most of the rest of the country, referring to the location/dispersion/skewness/outliers of the distributions.

D21 0 1 Range 2 3.0-3.9 3 4.0-4.9 4 5.0 5.9 5 6.0-6.9 6 7.0-7.9 7 8.0-8.9 8 9.0-9.9 9 10.0-10.9 2008 2012 2 Histogram of 2008 Unemployment 2 2 3.0 3.9 4.0 4.9 5.0 5.9 6.0 6.9 7.0 7.9 8.0 8.9 9.0 9.9 10.0 10.9 Unemployment 31 32

Explanation / Answer

The histogram of unemployment of North Dakota in the year 2008 is right skewed (the tail to the right of the peak is far extended than the left), wheras, the distribution of unemployment of North Dakota in the year 2012 is symmetric as the right and left sides of the histogram are approximately mirror image of each other. Thus, it seems that over the year of 4 years, the unemployment rate has been stabilized.

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