WGU C207 Data Driven Decision Making Module 5 QUESTIONS WITH 100 % CORRECT ANSWERS |VERIFIED
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WGU C207 Data Driven Decision Making Module 5
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WGU C207 Data Driven Decision Making Module 5
When determining the reliability of a test, the same test is given to the sample on two
different occasions. What type of reliability test is this?
a Split-Half Method
b Cronbach's Alpha
c Parallel-Froms Method
d Test-Retest Method - ️️d Test-Retest Method
What is a use of an index number...
WGU C207 Data Driven Decision Making
Module 5
When determining the reliability of a test, the same test is given to the sample on two
different occasions. What type of reliability test is this?
a Split-Half Method
b Cronbach's Alpha
c Parallel-Froms Method
d Test-Retest Method - ✔️✔️d Test-Retest Method
What is a use of an index number?
a To find books in the library
b To assess the quantity or price of a good over time
c To compare the price of two goods at a given moment
d To compare other numbers to a certain number on a number line - ✔️✔️A simple
composite index is created when a researcher gathers data from many different sources
without weighing any data more significantly than any other data. Usually, this means
that there is only one good or service being measured so that all of the information is
weighted equally.
A __________ measures one quantity in relation to another quantity.
a proportion
b incidence
c rate
d ratio - ✔️✔️d ratio
Results-based management does NOT need which of the following?
a Statistically complex indicators
b Constant monitoring
c Collaboration between all participants
d A common goal among everyone involved - ✔️✔️a Statistically complex indicators
Results-based management uses simple indicators in order to be more flexible to the
constant changes of running a business.
Which one of the following is NOT an example of big data?
, a Department store questionnaires for online shoppers
b The number of people in the entire world
c Different heights of people in the state of Alabama
d Spending habits of people from Beverly Hills - ✔️✔️b The number of people in the
entire world
The purpose of data mining is to:
a determine the direction an individual or company takes.
b discover outliers in the data.
c decipher patterns from large databases.
d establish large data as a useful tool. - ✔️✔️c decipher patterns from large databases.
A ___________________ is created when a researcher combines data (e.g. prices)
from multiple items without weighing any of them more significantly than the others.
a simple composite index
b weighted composite index
c simple index number
d none of the above - ✔️✔️a simple composite index
A simple composite index is created when a researcher gathers data from many
different sources without weighing any data more significantly than any other data.
Usually, this means that there is only one good or service being measured so that all of
the information is weighted equally.
____________ counts all of the existing cases of a disease, while ______________
only counts new cases.
a Prevalence and incidence
b Rate and ratio analysis
c Ratio analysis and rate
d Incidence and prevalence - ✔️✔️a Prevalence and incidence
Which of the following sentences is NOT true about the True Score Model?
a An observed score is the score that is actually achieved on a test.
b A true score is the best possible score an individual might achieve on a test.
c Random Measurement Error should disappear as the number of tests increases.
d Systematic Measurement Error means that there is a problem within the experiment
itself. - ✔️✔️b A true score is the best possible score an individual might achieve on a
test.
Which one of the following is an example of Item Response Theory?
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