CitiBank recorded the number of customers to use a downtown ATM during the noon
ID: 3043756 • Letter: C
Question
CitiBank recorded the number of customers to use a downtown ATM during the noon hour on 32 consecutive workdays. 39 19 26 23 15 25 19 36 8 35 20 14 28 18 9 16 16 17 10 7 12 23 22 37 20 8 30 10 19 20 29 40 ata (a) Use Excel's quartile function to find the quartiles and the midhinge. (Round your answers to 2 decimal places.) 1st quartile Median 3rd quartile Midhinge 25 (b) What does the box plot of the given data indicate? O The box plot indicates that there are extreme values or outliers. The box plot indicates that there are no extreme values or outliers.Explanation / Answer
a) Use Excel function
QUARTILE.EXC(A1:H4,1) = 14.25
QUARTILE.EXC(A1:H4,1) = 19.50
QUARTILE.EXC(A1:H4,1) = 27.50
mid hine = (Q1+Q3)/2 = 20.88
b) Yes, there is no extreme outliers
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