Window Help Photos Shared Albums Projects i. If the standard deviation of number

Question

Window Help Photos Shared Albums Projects i. If the standard deviation of number of times students eat at AUCA Sierra Coffee place is 3.6, how would you describe the distributions of number of times AUCA students eat at two dining facilities of the university? 3. In 2010 at AUCA there has been a study on how many days people claim sickness (sick days leave). The survey results are displayed in the table below Days per year being sick 10-14 5-19 20-24 25-29 30-34 35-39 40-44 Total 15 25 57 35 220 Find median days on sick leave per year a. b. Compute Inter-Quartile Range for the data SPSS problem

Explanation / Answer

Here' the answer to the questions.

Median will be the midpoint of class in which 50th percentile falls.

a.

The median days will be where the frequency is exactly half. So, 110th observation' class is what is the median.

So,30-34* class will have the 110th frequency.

So, (30+34)/2 = 32 is the median

b. IQR = Q3-Q1

The Q3 or the 165th point is on the class 30-34* or 32

The Q1 or the 55th point is on the class 25-29* or 27

Q3 = Q3-Q1 32-27 = 5

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