WGU C207 Data Driven Decision Making – Pre-Assessment | 0A |
Questions and Answers | 100% correct | 2026/27 Updates |
Passed on First Attempt
Correct
Incorrect
Questions and Answers
, It organizes data into structured It cleans and formats data for
databases. reporting.
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2 of 72
Term
Which type of data are the Olympic medals of gold, silver, and bronze
examples of?
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Nominal data Interval data
Continuous data Ordinal data
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3 of 72
Term
Which two attributes indicate potential data quality issues when
evaluating a set of nominal data?
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, Missing data
Omission Error Systematic Error
Misspelled data
Attribute data Omission error Typographical error
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4 of 72
Term
A company decides to auction excess inventory on an auction website.
They have performed a regression analysis to identify how the length
of the auction impacts the final price. Which statistic indicates the
strength of the relationship between the length of auctions and final
price?
Give this one a try later!
Chi-square R-squared
T-stat Z-score
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5 of 72
, Term
A manager of a call center is in charge of creating a staffing plan. The
number of calls received per day is normally distributed. Which two
statistics would be needed in order to estimate the number of calls that
would be received 95% of the time?
Give this one a try later!
Standard deviation
Seasonality
Mean
Balanced scorecard Median
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6 of 72
Term
Several missing values in a particular field in a dataset were observed.
The likelihood of a records having a missing value is correlated to
another variable in the dataset. Which two types of error might be
introduced into the dataset if the removed record included missing
values?
Give this one a try later!
Special Cause Variation Bayes' Theorem
Questions and Answers | 100% correct | 2026/27 Updates |
Passed on First Attempt
Correct
Incorrect
Questions and Answers
, It organizes data into structured It cleans and formats data for
databases. reporting.
Don't know?
2 of 72
Term
Which type of data are the Olympic medals of gold, silver, and bronze
examples of?
Give this one a try later!
Nominal data Interval data
Continuous data Ordinal data
Don't know?
3 of 72
Term
Which two attributes indicate potential data quality issues when
evaluating a set of nominal data?
Give this one a try later!
, Missing data
Omission Error Systematic Error
Misspelled data
Attribute data Omission error Typographical error
Don't know?
4 of 72
Term
A company decides to auction excess inventory on an auction website.
They have performed a regression analysis to identify how the length
of the auction impacts the final price. Which statistic indicates the
strength of the relationship between the length of auctions and final
price?
Give this one a try later!
Chi-square R-squared
T-stat Z-score
Don't know?
5 of 72
, Term
A manager of a call center is in charge of creating a staffing plan. The
number of calls received per day is normally distributed. Which two
statistics would be needed in order to estimate the number of calls that
would be received 95% of the time?
Give this one a try later!
Standard deviation
Seasonality
Mean
Balanced scorecard Median
Don't know?
6 of 72
Term
Several missing values in a particular field in a dataset were observed.
The likelihood of a records having a missing value is correlated to
another variable in the dataset. Which two types of error might be
introduced into the dataset if the removed record included missing
values?
Give this one a try later!
Special Cause Variation Bayes' Theorem
