BADM 211 COMPREHENSIVE EXAM SCRIPT
2026 COMPLETE QUESTIONS AND
ANSWERS VERIFIED SOLUTIONS
●● Machine learning refers to algorithms that __________________..
Answer: learn directly from data
●● The conditional probability that event A will occur given that event B
has already occurred may be written as __________________..
Answer: P(A ꓲ B)
●● Which of the following is NOT an example of classification?.
Answer: Prediction of someone's income
●● Which of the following is an example of prediction?.
Answer: Forecasting sales
●● Oversampling rare events is a method used to address
_____________ situations..
Answer: Class imbalance
, ●● If a categorical variable is ordinal, it may be coded as
____________..
Answer: integer values
●● Normalizing data is usually accomplished through one of two ways:
1) compute the Z-score of the variable,
and
2) ______________..
Answer: Rescale the variable to a uniform range
●● The three most effective basic plots are _________________..
Answer: bar charts, line graphs, scatter plots
●● Dummy coding categorical variables can greatly ___________ of the
dataset..
Answer: inflate the dimension
●● In k-fold cross-validation, the model will be fit _________ times
before computing an average error measure..
Answer: 5
●● 12) Victoria from Operations has asked you to build a machine
learning model to predict the mean-time-before-failure for an industrial
2026 COMPLETE QUESTIONS AND
ANSWERS VERIFIED SOLUTIONS
●● Machine learning refers to algorithms that __________________..
Answer: learn directly from data
●● The conditional probability that event A will occur given that event B
has already occurred may be written as __________________..
Answer: P(A ꓲ B)
●● Which of the following is NOT an example of classification?.
Answer: Prediction of someone's income
●● Which of the following is an example of prediction?.
Answer: Forecasting sales
●● Oversampling rare events is a method used to address
_____________ situations..
Answer: Class imbalance
, ●● If a categorical variable is ordinal, it may be coded as
____________..
Answer: integer values
●● Normalizing data is usually accomplished through one of two ways:
1) compute the Z-score of the variable,
and
2) ______________..
Answer: Rescale the variable to a uniform range
●● The three most effective basic plots are _________________..
Answer: bar charts, line graphs, scatter plots
●● Dummy coding categorical variables can greatly ___________ of the
dataset..
Answer: inflate the dimension
●● In k-fold cross-validation, the model will be fit _________ times
before computing an average error measure..
Answer: 5
●● 12) Victoria from Operations has asked you to build a machine
learning model to predict the mean-time-before-failure for an industrial
