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| Section | Objectives |
|---|---|
| Topic 1: Data Fundamentals and Business Analytics | - Data types and data collection methods - Descriptive statistics (mean, median, variance, standard deviation) |
| Topic 2: Decision Making Models | - Risk and uncertainty in decision-making - Decision trees and expected value analysis |
| Topic 3: Hypothesis Testing | - t-tests, chi-square tests, and significance testing - Null and alternative hypotheses |
| Topic 4: Probability and Statistical Inference | - Sampling methods and sampling error - Probability concepts and distributions |
| Topic 5: Regression and Correlation Analysis | - Interpreting correlation and causation - Linear regression modeling |
>> Data-Driven-Decision-Making Real Question <<
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NEW QUESTION # 44
How do a run chart and a control chart differ?
Answer: D
Explanation:
A run chart and a control chart are similar in that both display data over time, making it possible to observe trends, shifts, or recurring patterns in a process. The key difference is that a control chart includes control limits, or constraints, that define the expected range of normal variation for the process. These limits help analysts determine whether the process is statistically stable or whether unusual variation may signal a problem that requires attention. A run chart does not include those control boundaries; it simply displays the values in time order. Because of this, the correct description is that the two charts are essentially the same in structure, except a control chart includes limits or constraints that a process should not exceed. The options that describe one as a snapshot in time are incorrect because both are time-based charts. Therefore, the correct answer is the option identifying the control chart as the version that adds limits or thresholds for process monitoring.
NEW QUESTION # 45
What are two qualities of key performance indicators (KPIs)?
Choose 2 answers.
Answer: A,D
Explanation:
Key performance indicators (KPIs) are designed to measure progress toward strategic objectives. In data- driven decision making, effective KPIs arestable, meaningful, and aligned with organizational goalsrather than frequently changing.
One important quality of KPIs is that theycan be used for internal benchmarking, allowing organizations to compare performance across departments, time periods, or projects. This helps identify best practices and performance gaps.
Another defining characteristic is that KPIs often followSMART criteria-Specific, Measurable, Achievable, Relevant, and Time-bound. These criteria ensure KPIs are clearly defined and actionable.
KPIs are not meant to be easily changed, as frequent changes undermine consistency and comparability. They also require ongoing monitoring and maintenance to remain relevant and accurate.
Therefore, the correct answers areB and D.
NEW QUESTION # 46
A laboratory uses a graduated cylinder to measure liquid volume in metric units. Which type of experimental design is this laboratory implementing?
Answer: A
Explanation:
A laboratory measuring liquid volume with a graduated cylinder in metric units is using quantitative research because the process involves numerical measurement and objective data collection. Quantitative research is concerned with collecting measurable data that can be analyzed statistically or compared using mathematical methods. In this case, the volume of liquid is expressed in standard units such as milliliters or liters, making it a clear numerical variable. Qualitative research, by contrast, focuses on descriptions, experiences, opinions, or non-numeric observations. "Development research" and "precision research" are not the best classifications for the method described in the question. The central feature here is that the laboratory is collecting measurable, numerical data using an instrument designed for exact observation. This aligns directly with the principles of quantitative analysis, where standardization, objectivity, and repeatability are essential. Such measurement-based methods are foundational in scientific experiments, industrial testing, and evidence-based decision-making because they allow researchers to compare results consistently and apply statistical reasoning to their findings.
NEW QUESTION # 47
For which situation could a scatter diagram be used?
Answer: C
Explanation:
Ascatter diagramis used to visually examine therelationship between two quantitative variables. In data- driven decision making, scatter diagrams help analysts assess whether variables move together, whether the relationship is positive, negative, or nonexistent, and whether the relationship appears linear or nonlinear.
Each point on a scatter diagram represents a paired observation of two variables, such as advertising spend and sales revenue or hours studied and test scores. Patterns in the plotted points can suggest correlation, which may later be explored using regression analysis. Scatter diagrams are exploratory tools and do not, by themselves, establish causation.
A prioritization matrix ranks options, frequency differences are examined using bar or Pareto charts, and differences in means are evaluated using hypothesis tests such as t-tests or ANOVA. Therefore, the correct application of a scatter diagram is to demonstraterelationships between variables, making optionBcorrect.
NEW QUESTION # 48
Which graphical display is used to examine the distribution of a data set with quartiles?
Answer: D
Explanation:
Aboxplotis specifically designed to display the distribution of a dataset using quartiles. In data-driven decision making, boxplots visually summarize data through the minimum, first quartile, median, third quartile, and maximum.
Boxplots are useful for identifying spread, central tendency, skewness, and potential outliers. Scatterplots and bivariate charts analyze relationships between variables, while Pareto charts rank categorical data by frequency.
Because quartiles are the defining feature of a boxplot, the correct answer isC.
NEW QUESTION # 49
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2026 Latest PrepAwayExam Data-Driven-Decision-Making PDF Dumps and Data-Driven-Decision-Making Exam Engine Free Share: https://drive.google.com/open?id=15oXuMcu1OveRpeC5ivxKlWb0rulhg8ti