The data set which contains an outlier from the given answer choices is; Choice D;{16, 42, 45, 45, 46, 48}.
What is an outlier?
An outlier in a set of data values is a data value which differssignificantly from other data points and hence, tends to affect the mean of such set of data values significantly.
On this note, choice D is the set of data values which contains an outlier.
