Which of the following is a possible reason for an outlier in a ...

[jman1234]

Which of the following is a possible reason for an outlier in a data set?
 a. The individual in question belongs to a different group than the bulk of individuals measured.
 
  b. The outlier is a legitimate data value and represents natural variability for the group and variables measured.
 
  c. All of these answers are possible reasons for an outlier.
 
  d. A mistake was made while taking a measurement or entering it into the computer.

Question 2

Which of the following is a popular distribution, especially when a right-skewed distribution of a nonnegative quantity is desired?
 a. t-distribution
  b. chi-square distribution
  c. gamma distribution
  d. normal distribution
  e. all of these choices

[lorealeza]

Answer to Question 1

c

Answer to Question 2

c