Extra credit help please . Thank you 11) Extra Credit: Consider the following da
ID: 3045591 • Letter: E
Question
Extra credit help please .Thank you
11) Extra Credit: Consider the following data set of exam grades. (1 Extra Point) 44, 56, 62, 72,73, 74,79, 80, 81, 81, 82, 84, 87, 89, 89, 89, 89,92,94, 95, 98 Using the concepts of lower fence and upper fence, determine if there are any outliers in this data. If there are, specify them. (You must show your work to get the extra credit.) 12) Extra Credit: Using the data and your answers from question #9 find the z-score of a salary of 60 thousand. (1 Extra Point)
Explanation / Answer
Median: 82
Quartile Q1: 73.5
Quartile Q2: 82
Quartile Q3: 89
IQR = Q3 -Q1 = 89 - 73.5 = 15.5
upper fence = Q3 + 1.5 *IQR
lower fence = Q1 - 1.5*IQR
Lower fence: 50.25
Upper fence: 112.25
outliers is 44
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