WGU C207 Data Driven Decision Making
Module 1
A town authorities is trying to determine the national origins of its latest immigrant populace. If a
survey of the immigrant populace is performed in English what type of error might be gift inside
the records?
A Random
b Omission
c Outlier
d Accuracy
e Other: ______________________________ - ANS-b Omission
A Company's product development team test 3 new automobile waxes via waxing five cars with
every wax after which walking them through a car wash. They then file wide variety of washes it
takes before the wax begins to become worse. What is the time period for the 5 automobiles?
A) The response
b) The construct validity
c) The experimental unit
d) The remedy - ANS-c The experimental unit
A information point which can only tackle entire values and has barriers is known as what?
A) non-stop
b) nominal
c) discrete
d) ordinal - ANS-c) discrete
Discrete information factors are usually complete integers.
A healthcare provider is researching blood glucose stages before and after exercise. What
elements ought to be part of any experimental observe which includes this?
A) Treatment approaches
b) Patient remark
c) Statistical validity
d) Experimental reaction - ANS-a Treatment tactics
d Experimental response
, A nearby faculty board is studying the effect of a proposed exchange in checking out on math
rankings. Bias may be brought into the study via both students and instructors. Which research
method would put off this type of bias?
A) Observation study
b) Blind look at
c) Cohort study
d) Double blind examine - ANS-d Double blind look at
A producer desires to maximize their manufacturing facility output even as in particular
minimizing exertions fees. What kind of analytics would possibly they rent to gain this aim?
A) Descriptive Analytics
b) Predictive Analytics
c) Prescriptive Analytics
d) Diagnostic Analytics - ANS-c Prescriptive Analytics
A small group from that you make an inference approximately a whole population is called a
__________.
A) pattern
b) illustration
c) model
d) medium - ANS-a) pattern
If selected well, a sample could make predictions approximately a whole populace.
An Educator develops a brand new standardized take a look at to degree math abilities of ninth
graders. She has college students in her home kingdom of Ohio take the test. If the test is for
use on a countrywide degree, what sort of blunders might be discovered in her data?
A) Omission Error
b) Systematic Error
c) Measurement Bias
d) Information Bias - ANS-c Measurement Bias
Analytics - ANS-The discovery, evaluation, and conversation of meaningful styles in statistics.
Assume you are measuring the numerous lengths of used pencils, and you gather the following
information factors (in inches): 1.37, 2.Sixty five, 2.78, three.46, three.91. What kind of
information are those statistics factors?
A) continuous statistics
b) nominal facts
c) discrete information
Module 1
A town authorities is trying to determine the national origins of its latest immigrant populace. If a
survey of the immigrant populace is performed in English what type of error might be gift inside
the records?
A Random
b Omission
c Outlier
d Accuracy
e Other: ______________________________ - ANS-b Omission
A Company's product development team test 3 new automobile waxes via waxing five cars with
every wax after which walking them through a car wash. They then file wide variety of washes it
takes before the wax begins to become worse. What is the time period for the 5 automobiles?
A) The response
b) The construct validity
c) The experimental unit
d) The remedy - ANS-c The experimental unit
A information point which can only tackle entire values and has barriers is known as what?
A) non-stop
b) nominal
c) discrete
d) ordinal - ANS-c) discrete
Discrete information factors are usually complete integers.
A healthcare provider is researching blood glucose stages before and after exercise. What
elements ought to be part of any experimental observe which includes this?
A) Treatment approaches
b) Patient remark
c) Statistical validity
d) Experimental reaction - ANS-a Treatment tactics
d Experimental response
, A nearby faculty board is studying the effect of a proposed exchange in checking out on math
rankings. Bias may be brought into the study via both students and instructors. Which research
method would put off this type of bias?
A) Observation study
b) Blind look at
c) Cohort study
d) Double blind examine - ANS-d Double blind look at
A producer desires to maximize their manufacturing facility output even as in particular
minimizing exertions fees. What kind of analytics would possibly they rent to gain this aim?
A) Descriptive Analytics
b) Predictive Analytics
c) Prescriptive Analytics
d) Diagnostic Analytics - ANS-c Prescriptive Analytics
A small group from that you make an inference approximately a whole population is called a
__________.
A) pattern
b) illustration
c) model
d) medium - ANS-a) pattern
If selected well, a sample could make predictions approximately a whole populace.
An Educator develops a brand new standardized take a look at to degree math abilities of ninth
graders. She has college students in her home kingdom of Ohio take the test. If the test is for
use on a countrywide degree, what sort of blunders might be discovered in her data?
A) Omission Error
b) Systematic Error
c) Measurement Bias
d) Information Bias - ANS-c Measurement Bias
Analytics - ANS-The discovery, evaluation, and conversation of meaningful styles in statistics.
Assume you are measuring the numerous lengths of used pencils, and you gather the following
information factors (in inches): 1.37, 2.Sixty five, 2.78, three.46, three.91. What kind of
information are those statistics factors?
A) continuous statistics
b) nominal facts
c) discrete information
