A Violin Student Records the Number of Hours She Spends

Multiple Choice

A violin student records the number of hours she spends practicing during each of nine consecutive weeks: Considering the smallest data value (1.2) and using the 1.5 × IQR rule, we would:

A) classify the value 1.2 as an outlier, because it is more than 1.5 × IQR below the first quartile.
B) not classify the value 1.2 as an outlier, because it is not more than 1.5 × IQR below the first quartile.
C) classify the value 1.2 as an outlier, because it is more than 1.5 × IQR below the median.
D) classify the value 1.2 as an outlier, because it is more than 1.5 × IQR below the mean.