Question
are you able to tell me if the following is correct: a.Are there any outliers in the data? Use an appropriate numerical test involving the
are you able to tell me if the following is correct:
a.Are there any outliers in the data? Use an appropriate numerical test involving the IQR to identify outliers, if any, and clearly state your conclusion. 0, 1, 2, 3, 4, 5, 6, 7, 9, median=4 Q3-Q1= IQR=6.5-1.5=5 Q1 - (1.5)(IQR)=1.5-1.5=0 Q3 + (1.5)(IQR)=6.5+1.5=8 no data is less than 0 but 9 is more than 8 so 9 is the outlier
c. Are any data values further than 2 standard deviations away from the mean? 2.45-2(1.88)=-1.31 2.45+2(1.88)=6.21 7 and 9 are further from the mean
d.Do parts a and c of this problem give the same answer? No, part a gives 9 as the outlier and part c gives 7 and 9 further from the mean
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