Author Question: Which of the following statements could be an explanation for the presence of an outlier in the ... (Read 31 times)

Tazate · **on:** Jun 24, 2018

Which of the following statements could be an explanation for the presence of an outlier in the data?

A) The measurement is incorrect. It may have been observed, recorded, or entered into the computer incorrectly.
B) The measurement may be correct and from the same population as the rest but represents a rare event. Generally, we accept this explanation only after carefully ruling out all others.
C) The measurement belongs to a population different from that from which the rest of the sample was drawn.
D) All of the above are explanations for outliers.

Question 2

Suppose the number of babies born each hour at a hospital follows a Poisson distribution with a mean of 3. Find the probability that exactly seven babies will be born during a particular 1-hour period at this hospital.

A) 0.000000 B) 0.021604 C) 0.000026 D) 0.002701