WGU C207 - Final Self-Assessment (answered)
Amanda is measuring the temperature. She looks at the thermometer and sees that it is somewhere between 65 and 66 degrees Fahrenheit. She is okay with the temperature in between two integers because she knows temperature is not ________ data, but tempe...
wgu c207 final self assessment answered amanda is measuring the temperature she looks at the thermometer and sees that it is somewhere between 65 and 66 degrees fahrenheit she is okay with the
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WGU C207 - Final Self-Assessment
(answered)
Amanda is measuring the temperature. She looks at the thermometer and sees
that it is somewhere between 65 and 66 degrees Fahrenheit. She is okay with
the temperature in between two integers because she knows temperature is
not ________ data, but temperature is _________ data.
Discrete, Continuous
The first stage of Davenport and Kim's Three Stage Model of quantitative
decision making is to...
...frame the problem.
A manager is looking at his previous quarter and determining the causes for
the sudden sales spike to gain a better understanding of the actions and
outcomes. If using analytics, which kind of analytics would the manager use?
Descriptive Analytics
In a study of cancer treatments, the subjects and the treatment allocator (who
is also the data gatherer) are unaware of which treatment is being given to
which subject. This is a ____________ study.
Double-Blind
Adam is measuring the temperature as the lake outside his office is freezing
over. He measures the temperatures in Fahrenheit ten times with the same
thermometer and gets the following results: 20, 18, 21, 20, 20, 14, 19, 21, 20,
19. Is his thermometer reliable? Is it valid?
Reliable but not Valid
The thermometer consistently gives about the same number for the freezing point
and therefore is reliable. It is not valid because it does not accurately measure what
it is trying to measure. We know this because we know water freezes at 32 degrees
Fahrenheit.
Toby is trying to determine the number of people at today's parade in order
to determine the impact of advertising at parades. He asks a number of
different people leaving the parade their projected number of attendants. He
gets the following responses: 70,000; 450,000; 2,000; 130,000; 3,000,000;
75,000; 200,000; 800,000; 150,000; and 210,000. Is this survey reliable? Is it
valid?
Not Reliable or Valid
Harry is doing a survey of the city of Los Angeles' population. He is
wondering everyone's favorite food. He sends out a survey to all of the home-
, owners and renters in the city and receives basically all of the surveys back in
the mail. What is the flaw with this experiment?
Truly Representative Sample (doesn't include the homeless)
Tom Brady is on the street in Chicago. He is asking anyone he meets if they
prefer Tom Brady or Peyton Manning. The survey results show that people
greatly prefer Tom Brady. What is the flaw with this experiment?
Response Bias
as the respondents might be responding believing that Tom Brady wants to hear
that they prefer him over Peyton Manning. This is not Conscious bias as conscious
bias would be in the way Tom Brady is asking a question and this scenario does
not indicate any bias in that way.
Determine the Mean, Median, and Mode (in that order) from the following
test results.
23, 54, 67, 71, 72, 74, 74, 75, 77, 77, 77, 78, 80, 81, 81, 83, 84, 86, 89, 89, 89, 89,
95, 99, 100
78.56, 80, 89
What percent of the data in a normal distribution is between the mean and
two standard deviations above the mean?
47.7 percent
A Pareto chart is a type of ________.
bar chart
Cluster analysis sorts data points into ___________ and is often used in
studying market ____________.
"natural" groups, demographics.
In a prioritization matrix, the weighting factor is ________the option ranking
to get the weighted score for each cell in the matrix.
multiplied by
"Where you enact the change on a larger scale, making it a part of normal
operations." This is which step in the PDCA cycle?
Act
Which of the following answers is a step in Quality Control, not Quality
Assurance?
Inspection and repair
A SIPOC Diagram is very helpful in following a whole process of a company.
It stands for Supplier, Input, Process, Output, and _______.
Customer
Which "new" tool shows the hierarchy of items in a graphic format where
each successive step breaks things down into greater detail?
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