COMM 214-215 – Midterm Questions And Answers
Latest Update 2026
, 1
A dataset contains 999 observations. The mean,
median, and mode are found to be 4, 3.5, and 3,
respectively. Which of the following are true?
i. At least one observation must be 4
ii. At least one observation must be 3.5
iii. At least two observations must be 3
a) i only
b) ii only
c) iii only
d) ii and iii
e) i, ii, and iii
, 2
The random variable 𝒕 lies in the interval [𝟎, 𝟏𝟎𝟎]. Which
of the following must be true of 𝝉?
a) It must be a continuous random variable
b) It must be a discrete random variable
c) It may be a continuous or discrete random variable
d) It is neither a continuous nor discrete random variable
e) None of the above
Latest Update 2026
, 1
A dataset contains 999 observations. The mean,
median, and mode are found to be 4, 3.5, and 3,
respectively. Which of the following are true?
i. At least one observation must be 4
ii. At least one observation must be 3.5
iii. At least two observations must be 3
a) i only
b) ii only
c) iii only
d) ii and iii
e) i, ii, and iii
, 2
The random variable 𝒕 lies in the interval [𝟎, 𝟏𝟎𝟎]. Which
of the following must be true of 𝝉?
a) It must be a continuous random variable
b) It must be a discrete random variable
c) It may be a continuous or discrete random variable
d) It is neither a continuous nor discrete random variable
e) None of the above
