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Data-Driven Decision Making – Wgu C207 Exam Update | Data Driven Decision Making C207 Actual Exam Latest Questions and Correct Answers Rated A+$23.70
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Data Driven Decision Making C207 Exam Latest
2024-2025 | Data Driven Decision Making C207
Exam Update 2024-2025 Questions and Correct
Answers Rated A+
The relationship between several independent variables and one
dependent variable is shown using __________. -ANSWER-multiple linear
regression
Company A sells its 12,000th unit of the year. With that sale the company's
revenue and cost curves meet. What is this point called? -ANSWER-
breakeven point
Tom is determining whether or not to pursue Project 1, Project 2, or no
project for his company. Project 1 could gain $40,000 dollars for his firm if it
works, but it could also lose $10,000 if it does not work. Project 2 will work
and will gain $20,000. If the company doesn't undertake any projects it
does not gain or lose anything. Which option is Tom's best choice based on
the "minimax" procedure (least opportunity loss). -ANSWER-Project 2
Cluster analysis: -ANSWER-determines groups of terms or values based
on different classification models.
If you want to test a change to a process or system before implementing it
in real time, which tool might you use to emulate it? -ANSWER-simulation
When there are several distinct populations, __________ can be used to
analyze the difference between the various populations with respect to its
summary statistics. -ANSWER-analysis of variance
A data point that is significantly distant from the observations in the dataset
is called which of the following? -ANSWER-outlier
,In a normal distribution, approximately what percentage of data points in a
dataset will be within one standard deviation of the mean? -ANSWER-68.3
The strongest relationship between variables is represented by which of the
following numbers? -ANSWER--0.99
A __________ linear relationship exists when the dependent variable
increases as the independent variable increases. -ANSWER-positive
How would a greater number of samples and a fewer number of
populations affect an ANOVA analysis? -ANSWER-The results would be
more accurate.
Mary is determining the likelihood that she will lose money on an
investment. There is an expected 10 percent gain in a normally distributed
dataset, with a standard deviation of 10 percent. The likelihood she'll lose
money is _______ percent. -ANSWER-16
Select the choice that is true. Regression analysis: -ANSWER-takes
information from one data set and can predict information for another data
set.
Jane works for a public health company. She is working on an anti-tobacco
campaign and is interested in how smoking cigarettes affects a smoker's
cholesterol. She could use the number of cigarettes smoked per day as her
_____ variable and place it on the __-axis. -ANSWER-independent, x
We perform a regression analysis on a pair of variables and determine that
there is a linear relationship. The regression line is determined to be y=12x-
5. What type of linear relationship exists between the independent variable,
x, and the dependent variable, y? -ANSWER-Positive
Which of the following does NOT describe R-squared? -ANSWER-R-
squared shows negative correlation when closest to 0.
,Which of the following is not a technique a manager uses when
forecasting? -ANSWER-Transitive
Which of the following is a disadvantage of cluster analysis? -ANSWER-It
is a long and expensive process.
A trend is... -ANSWER-a general slope upward or downward over a long
period of time.
If there is a relationship between variables, but the relationship is not linear,
what possible challenge with regression could it be? -ANSWER-Polynomial
Regression
A Monte Carlo simulation runs many __________ after _________ have
been made about the probability of different outcomes. -ANSWER-
iterations, assumptions
Catherine is trying to sell a ticket to the Super Bowl. She is determining
whether or not she should sell a ticket now or wait until just before the
game and try and sell it then. Currently, someone is offering $350 for the
ticket. From research of past prices she knows that the tickets immediately
before the Super Bowl are sold for about $500. She determines that there
is a 75 percent chance she will be able to sell the ticket immediately before
the Super Bowl. Based on expected payoffs from risk decision making,
what should she do? How much is the difference if she chooses to sell
now? -ANSWER-Catherine should wait to sell ticket; the difference will be
$25.
How do you determine the early finish date for an activity in a network
diagram? -ANSWER-Add the duration of the activity to the early start date.
A team has just completed its cause-and-effect diagram and now wants to
decide which of the root causes that they uncovered is the key driver to
focus on, as they develop a solution to their problem. What tool should they
use? -ANSWER-an interrelationship digraph
, Your quality management processes should monitor ________. -ANSWER-
both the products you make and the processes you use to make them
Which of the following statements about metrics is false? -ANSWER-
Metrics can help expose trends but teams must use statistics—not
metrics—to uncover root causes.
Which of the following statements about a process is false? -ANSWER-
Activities do not have to be completed in order.
Kai's team is running an experiment to see if their ideas will work before
they implement them company-wide. What step of the PDCA cycle are they
in? -ANSWER-Do
The quality management team at Snoop Diagnostics wants to understand
how strong the relationships are between two sets of items. They set up an
L-shaped matrix diagram and place one set of items into the rows of the
matrix and the other set of items into the matrix's columns. They use stars,
diamonds, and plus-signs to mark the strength of the relationships between
the items. When they are done, they notice that some of the cells in the
matrix are blank but decide to move on anyway. They analyze the chart,
make plans to address the trends they see, and then post the chart for the
rest of the organization to see. What is wrong with the team's process? -
ANSWER-The team forgot to create a legend to explain the symbols they
used.
Which of the following would be most helpful in completing quality
assurance activities? -ANSWER-training line workers to institute new
testing standards
While they are sorting ideas for an affinity diagram, two team members
continue to move one idea back and forth between two clusters. What
should they do to resolve the conflict? -ANSWER-Create a duplicate of the
idea and place a copy in each cluster.
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