SCM Final Questions 2026 Exam
Questions and Answers | A+ Score
Assured
the number of stocks a person traded over the past four days was recorded
as 3, 6, 0, 3. Compute the sample standard deviation for this data set
a) 4.5
b) 6
c) sq root 4.5
d) sq root 6 - 🧠ANSWER ✔✔d) sq root 6
find the variation of X for the following probability distribution
(its a column)
,x column: 5, 10, 15
P(X): .30, .40, .30
a) 7.07
b) 3.87
c) 15.00
d) 50.00 - 🧠ANSWER ✔✔c) 15.00
if a fast food restaurant decides to try a new menu item in Atlanta, Miami
and Los Angeles, the non-random sampling method used would be
a) convenience
b) systematic
c) judgement
d) self-selected - 🧠ANSWER ✔✔c) judgement
skewed right (positive) indicates
a) that there are more values on the right than on the left
,b) nothing about the shape of a distribution
c) that a distribution is symmetric
d) that there are more values on the left than the right - 🧠ANSWER ✔✔d)
that there are more values on the left than the right
if you have a histogram, how many variables do you have
a) 2
b) 1
c) 3
d) 0 - 🧠ANSWER ✔✔b) 1
the following table is given for the number of homes sold per day by a
realtor (columns)
Number Sold (X): 0, 1, 2
P(X): .4, .4, .2
is a random variable depicted in the above table?
a) No, because X is not a variable AND the probabilities are not equal
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STATEMENT. ALL RIGHTS RESERVED
, b) Yes, a random variable is depicted in the above table
c) No, because the probabilities are not equal
d) No, because X is not a variable - 🧠ANSWER ✔✔b) Yes, a random
variable is depicted in the above table
Generally speaking, which of the following values can be found or
computed from a box plot?
a) standard deviation
b) interquartile range, standard deviation, AND mean can be found or
computed from a box plot
c) mean
d) interquartile range - 🧠ANSWER ✔✔d) interquartile range
In the population of four previous days, the number of daily complaints filed
against a product were 4, 12, 12, 12. The mean absolute deviation of this
population is equal to:
a) sq root 3
b) 4
c) 3
Questions and Answers | A+ Score
Assured
the number of stocks a person traded over the past four days was recorded
as 3, 6, 0, 3. Compute the sample standard deviation for this data set
a) 4.5
b) 6
c) sq root 4.5
d) sq root 6 - 🧠ANSWER ✔✔d) sq root 6
find the variation of X for the following probability distribution
(its a column)
,x column: 5, 10, 15
P(X): .30, .40, .30
a) 7.07
b) 3.87
c) 15.00
d) 50.00 - 🧠ANSWER ✔✔c) 15.00
if a fast food restaurant decides to try a new menu item in Atlanta, Miami
and Los Angeles, the non-random sampling method used would be
a) convenience
b) systematic
c) judgement
d) self-selected - 🧠ANSWER ✔✔c) judgement
skewed right (positive) indicates
a) that there are more values on the right than on the left
,b) nothing about the shape of a distribution
c) that a distribution is symmetric
d) that there are more values on the left than the right - 🧠ANSWER ✔✔d)
that there are more values on the left than the right
if you have a histogram, how many variables do you have
a) 2
b) 1
c) 3
d) 0 - 🧠ANSWER ✔✔b) 1
the following table is given for the number of homes sold per day by a
realtor (columns)
Number Sold (X): 0, 1, 2
P(X): .4, .4, .2
is a random variable depicted in the above table?
a) No, because X is not a variable AND the probabilities are not equal
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
3
STATEMENT. ALL RIGHTS RESERVED
, b) Yes, a random variable is depicted in the above table
c) No, because the probabilities are not equal
d) No, because X is not a variable - 🧠ANSWER ✔✔b) Yes, a random
variable is depicted in the above table
Generally speaking, which of the following values can be found or
computed from a box plot?
a) standard deviation
b) interquartile range, standard deviation, AND mean can be found or
computed from a box plot
c) mean
d) interquartile range - 🧠ANSWER ✔✔d) interquartile range
In the population of four previous days, the number of daily complaints filed
against a product were 4, 12, 12, 12. The mean absolute deviation of this
population is equal to:
a) sq root 3
b) 4
c) 3
