Wpc 300 test - Study guides, Class notes & Summaries
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WPC 300 Final Exam Review (2024) || Questions & Answers (Graded A+)
- Exam (elaborations) • 9 pages • 2024
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WPC 300 Final Exam Review (2024) || Questions & Answers (Graded A+) 
WPC 300 Final Exam Review (2024) || Questions & Answers (Graded A+) 
 
What does R^2=0.694 mean? - ANSWER - Means that the regression model explains 69.4% of the observed variation of the response data around its mean 
 
Logistic Regression - ANSWER - used to describe data and to explain the relationship between one dependent binary variable and one or more nominal, ordinal, interval, or ratio-level independent variable 
 
Bi...
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WPC 300 Final Exam Questions and Answers 100% Pass
- Exam (elaborations) • 19 pages • 2024
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WPC 300 Final Exam Questions and 
 
Answers 100% Pass 
 
In an agile approach of analytics what is the first step of the process? perform business 
discovery 
 
In an ETL process, data is loaded into a final target database such as: data warehouse 
 
Which of the following data analysis models use optimization techniques? prescriptive 
analytics 
 
Predictive analytics may be applied to __________, which is a set of techniques that use 
descriptive data and forecasts to identify the decisions mo...
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Review Final Exam for WPC 300 2024/2025 questions with A-graded answers
- Exam (elaborations) • 8 pages • 2024
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Review Final Exam for WPC 300 
2024/2025 questions with A-graded 
answers 
Which of the following describes the standard deviation? - CORRECT ANSWER-It is 
the square root of the variance. 
When two variables are highly positively correlated, the correlation coefficient will be 
_______. - CORRECT ANSWER-close to 1 
According to statistical notation, what does ∑ stand for? - CORRECT ANSWER-to act 
as a summation operator 
The ________ is the observation that occurs most frequently. - CORR...
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WPC 300 Exam Answers New Update (A+ Pass)
- Exam (elaborations) • 4 pages • 2024
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WPC 300 Exam Answers New Update (A+ Pass) 
 
which of the following propostiton describes an existing theory or belief in a population - Answers - null hypothesis 
 
if the confidence level is 98%, what is the margin of error in your statistical test - Answers - 2% 
 
the one-sample z-statistics is used instead of the one-sample t-statistics when - Answers - when sigma is known 
 
sample of size 25 are selected from a population with mean 40 and standard deviation 5. the mean of the sample mean ...
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WPC 300 Practical Exam with Complete Solutions
- Exam (elaborations) • 7 pages • 2024
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WPC 300 Practical Exam with Complete 
 
Solutions 
 
VLOOKUP cell we want to look up information for, table with information we want to pull 
(use absolute reference), column with the corresponding information (number of column ex. 
A=1), true/false 
 
**For range of numbers, they need to be in ascending order (first cell lowest value in lowest 
range, last cell lowest value in highest range) 
 
Which of the following statements is NOT correct based on the sample data provided? 
 
The standard d...
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WPC 300 Quiz 3 Latest Update Graded A+
- Exam (elaborations) • 2 pages • 2024
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WPC 300 Quiz 3 Latest Update 
 
Graded A+ 
 
Which of the following is a Type-II error? The research hypothesis is actually true, and the 
test incorrectly fails to reject the null hypothesis 
 
In order to reject the null hypothesis, the p-value must be less than the Alpha 
 
When sample size increases confidence interval decreases 
 
Which of the following proposition describes an existing. theory or belief? Null hypothesis 
 
what is the confidence interval when the level of significance is 0...
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WPC 300 FINAL EXAM QUESTIONS WITH REVISED ANSWERS ALL CORRECT
- Exam (elaborations) • 5 pages • 2024
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WPC 300 FINAL EXAM QUESTIONS WITH REVISED ANSWERS ALL CORRECT 
 
When sample size increases - Answer- Confidence interval decreases 
 
Which of the following proposition describes an existing theory or belief? - Answer- Null hypothesis 
 
Which of the following is not a continuous random variable? - Answer- The outcomes of rolling two dice 
 
In order to reject the null hypothesis, the p-value must be less than the - Answer- Alpha 
 
The central limit theorem states that if the population is no...
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WPC 300 - Final Exam Review 2024/2025 latest
- Exam (elaborations) • 4 pages • 2024
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WPC 300 - Final Exam Review 2024/2025 
latest 
Heuristics - CORRECT ANSWER-Experience, intuition, rules of thumb, think fast. 
Analytics - CORRECT ANSWER-• Observe what has worked 
• Experimentation 
• Collect data and analyze data 
• Find patterns 
• Boundary and Generalizability 
• Think slow 
20% - CORRECT ANSWER-___ of our energy intake goes to the brain. Since slow 
thinking is expensive, the body is programmed to avoid it. 
statistical algorithm - CORRECT ANSWER-Our brains do ...
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WPC 300 Exam Questions Complete Solutions Current Update (Verified A+ Pass)
- Exam (elaborations) • 8 pages • 2024
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WPC 300 Exam Questions Complete Solutions Current Update (Verified A+ Pass) 
 
For a normal distribution mean is ___ to median - Answers - equal 
 
Standard deviation of a normal distribution is a ___? - Answers - Measure of data dispersion 
 
Which of the following is an example of a measure of dispersion? - Answers - Variance 
 
Which of the following is an example of a sample? - Answers - The number of IT employees out of all employees working in an office of Google 
 
Which of the following ...
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WPC 300 Final Disease Exam Questions Correct Answers Current Update
- Exam (elaborations) • 11 pages • 2024
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WPC 300 Final Disease Exam Questions Correct Answers Current Update 
 
Using intuition is a way of analytical thinking. - Answers - False 
 
The difference between primary and secondary data is that primary data are more important. - Answers - False 
 
To examine whether smoking leads to cancer is mainly a type of predictive modeling. - Answers - False 
 
If you wanted to solve a problem to maximize production of a product, subject to the constraints of having certain number of parts, the approp...
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