MBA 630 MIDTERM EXAM ACTUAL EXAM NEWEST 2025/2026
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |BRAND NEW VERSION!!
What is the process of standardizing attributes by applying a distance-based
algorithm that results in a mean value of 0 and a standard deviation of 1 for each
numeric attribute in the dataset? - Correct Answer-z-transformation
What is a data transformation technique that rotates data into a wide table format
and aggregates results? - Correct Answer-pivoting
What is a data point that differs significantly from other observations in the
dataset? - Correct Answer-outlier
What is a sequence of characters similar to this count\((.*)\)_(.*)that defines a
search pattern and is often used to find and replace operations on strings? -
Correct Answer-regular expression
Complete Lab 2 Tutorial Handle Missing Values. How many attributes in the
original dataset have missing data? - Correct Answer-5
Complete Lab 2 Tutorial Handle Missing Values. How many examples are in the
dataset after you removed unnecessary attributes and filtered examples with
missing data? - Correct Answer-1306
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, MBA 630 Midterm Exam Actual Exam
Complete Lab 2 Tutorial Normalization and Outlier Detection. How many examples
are in the dataset after you removed unnecessary attributes and outliers? -
Correct Answer-1299
In RapidMiner, retrieve the Titanic dataset and apply pivoting. How many females
traveled in the first class? - Correct Answer-144
In RapidMiner, retrieve the Titanic dataset and apply pivoting. How many males
boarded the ship in Cherbourg? - Correct Answer-157
In RapidMiner, retrieve Titanic dataset and apply pivoting. How many passengers
traveling in the first class survived? - Correct Answer-200
Please watch a video posted this week in Module 3. According to the video, what
is the best definition for a citizen data scientist? - Correct Answer-a person who
generates value by applying data analytics, but whose primary job function is
outside of the field of data analytics
Please watch a video posted this week in Module 3. According to the video, what
is data literacy in business context? - Correct Answer-Ability to understand,
evaluate and apply data analytics to bring value to an organization
What are data points that are significantly different from the vast majority of the
data? - Correct Answer-Outliers
Which method is a possible solution to deal with a missing value? - Correct
Answer-Delete an example
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