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The Bureau of Labor Statistics would categorize a person as "unemployed" if they were temporarily away from their job because they were ill. 

          The Bureau of Labor Statistics would categorize a person as "unemployed" if they were temporarily away from their job because they were ill.

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Principles of Economics
Principles of Economics
Gregory Mankiw 8th Edition
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The Bureau of Labor Statistics would categorize a person as "unemployed" if they were temporarily away from their job because they were ill.
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Transcript

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00:01 Hello student, so to claim to test the claim that the sick day occurs with the equal frequency on different day we gonna use here chi -square test chi -square goodness of fit test goodness of fit test so observed frequencies are given and we have to calculate the expected frequencies expected frequency is equal to total number of sick days divided by the total number of day in a week.
00:49 So number of days in a week total sick days are 17 number of day in a week are 7 we got a expected frequency as a 10 now let's define the test statistics that is chi -square is nothing but the summation of observed 1 minus expected whole square divided by the expected one.
01:19 So for first day, we have observed one as a 10 expected is a 10 whole square divided by 10 for second we observed as a 12 minus 10 whole square 1 10 likewise.
01:36 We have to calculate this thing and expected frequency come up as 2 .4 after that calculate the degrees of freedom.
01:46 We have degrees of freedom that is n minus 1 5 minus 1 is a 6 because we have total 5 observation after that let's find the critical value to the critical chi -square value at alpha equal to 0 .05 that is level of significance 6 degrees of freedom...
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