WPC ACTUAL EXAM QUESTIONS WITH REVISED ANSWERS ALL CORRECT
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Course
WPC
Institution
WPC
WPC ACTUAL EXAM QUESTIONS WITH REVISED ANSWERS ALL CORRECT
Which of the following analysis methods can best be used to predict sales? - Answer- Regression
In regression analysis, the variance that is being predicted is the - Answer- Dependent variable
A simple linear regression equation...
WPC ACTUAL EXAM QUESTIONS
WITH REVISED ANSWERS ALL
CORRECT
Which of the following analysis methods can best be used to predict sales? - Answer-
Regression
In regression analysis, the variance that is being predicted is the - Answer- Dependent
variable
A simple linear regression equation can be graphically depicted as a __ - Answer-
Straight line
Based on the JMP output below, in a model to predict "WIN" of an NBA team, which of
the following independent variables is negatively correlated with " WIN"? - Answer-
Turnovers
In a regression model, y = A+ b x, the variable b is the - Answer- Coefficient for the
independent variable x
The relationship between the number of beers consumed (x) and happiness score after
the final exam (y) was studied among 1000 WPC 300 students using the least squares
regression technique. The following regression equation was obtained from this study
Y= 10.43 + 3.2 x
The above equation implies that - Answer- Beer consumed increases a happiness score
by 3.2
Regression modeling describes how - Answer- All of the answer selections are correct
In the aggression equation y = 20 - 34x, the value of 20 represents the ___ and -34
represents the ___of the independent variable - Answer- Intercept, coefficient
And looking at regression results, we can tell if a variable should be included in the final
model by looking at - Answer- The coefficient of determination
And logistic regression, the dependent variable y is defined as - Answer- Log (p/1-p)
The ___ method uses information on all pairs of distances, not merely the minimum or
maximum distances - Answer- Complete linkage
, Which of the following is not true of cluster analysis? - Answer- Cluster analysis is a
technique for analyzing data when the dependent variable is categorical and the
independent variables are continuous in nature
Which of the following is a false statement? - Answer- To predict sales from
transactional data one should perform clustering analysis
___ is a clustering procedure characterized by the development of a dendogram -
Answer- Hierarchical clustering
Which of the following is a definition of distance between two clusters and a single
linkage clustering? - Answer- The distance between the two most distant pair of objects,
one from each other
In the ETL process, data transformation happens in accordance with the ___
established by the organization - Answer- Transformation protocol
According to the following diagram, what is a primary key for the product table - Answer-
Product ID
Cloud computing services can include - Answer- All of the above selections are correct
What is a primary objective of the (relational) data model? - Answer- None of the
answers selections are correct
Which of the following is an on-demand computing service obtained over the internet -
Answer- All of the answers selections are correct
Data can be retrieved from a database using SQL queries that start with ____ keyword -
Answer- Select
Which of the following is not a principle of problem farming - Answer- Routinize the
procedure
Finding patterns in data in an example of ______ modeling - Answer- Predictive
Which of the following analytical techniques can be used to find out which month had
the highest sales year - Answer- Prescriptive
Which of the following analysis can be used to understand a casual relationship -
Answer- Explanatory
The process of analytics can include - Answer- All of the above selections are true
Analytics can be used in the _____ - Answer- All of these answers are correct
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