WGU C207 Pre- Assessment Data-Driven Decision-Making Exam (NEW 2023/ 2024 Update) Questions and Verified Answers- 100% Correct| Grade A
QUESTION
A
... [Show More] company decides to auction excess inventory on an auction website. The company has performed a regression analysis to identify how the length of the auction impacts the final price.
Which statistic indicates the strength of the relation ship between the length of the auction and final price?
F-statistic
P-value
R-squared
Z-score
Answer:
R-squared
QUESTION
A researcher looks at moving average data on store sales and wishes to perform a multiple regression of interest rates and disposable income. What is a particular concern when performing time series multiple regression?
Multicollinearity
Autocorrelation
Homoscedasticity
Heteroscedasticity
Answer:
Autocorrelation
QUESTION
A retail store notices a spike in turkey sales every November. Which time series pattern are turkey sales likely to exhibit?
Cyclical
Seasonal
White noise
Trend
Answer:
Seasonal
QUESTION
A researcher wants to predict student test scores based on hours spent studying.
Which type of regression would be more appropriate? Weighted least squares regression
Logistic regression
Multiple regression
Ordinary least squares regression
Answer:
Ordinary least squares regression
QUESTION
A doctoral student is surveying chief executive officers (CEOs) to understand their relationships with their governing boards. The student receives responses ta survey with 10 questions that rates the respective relationships.
Why would the student measure the standard deviation of responses? To understand the midpoint location of the data
To create a bell curve
To measure the spread of the data
To determine if the data is nonlinear
Answer:
To measure the spread of the data
QUESTION
A doctoral student surveys chief executive officers (CEOs) to under- stand their relationships with their governing boards. The student determines the years of business experience for each CEas well as their rating, on a
10-point scale, of satisfaction with the governing board.
Which statistical approach should be used to display the data for analysts? Bell curve
Scatter plot
Mean
Median
Answer:
Scatter plot
QUESTION
Which two decision considerations describe fact-based decision mak- ing, according to the quality management principles?
Choose 2 answers.
¡ Decisions foster trust in plans.
¡ Decisions have marginal effect on relationships with suppliers.
¡ Decisions use diversity of experience.
¡ Decisions reduce external bias
Answer:
. ¡ Decisions foster trust in plans.
¡ Decisions reduce external bias.
QUESTION
Which two statementsdescribe how the dedication of leadership and a focus on process enhance quality?
Choose 2 answers.
¡ It ensures clearly aligned goals.
¡ It enhances customer loyalty.
¡ It ensures a systems approach.
¡ It makes results easier to manage and achieve
Answer:
. ¡ It ensures clearly aligned goals.
¡ It makes results easier to manage and achieve
QUESTION
An organization is concerned about whether quality control standards are being met and develops a strategy ttest quality control metrics.
Which step does this represent in the plan-do-check-act cycle? Check [Show Less]