Exam 4: The Scientific Method: The Gold Standard for Establishing Causality
Exam 1: The Roles of Data and Predictive Analytics in Business55 Questions
Exam 2: Reasoning With Data50 Questions
Exam 3: Reasoning From Sample to Population50 Questions
Exam 4: The Scientific Method: The Gold Standard for Establishing Causality50 Questions
Exam 5: Linear Regression As a Fundamental Descriptive Tool53 Questions
Exam 6: Correlation Vs Causality in Regression Analysis52 Questions
Exam 7: Basic Methods for Establishing Causal Inference49 Questions
Exam 8: Advanced Methods for Establishing Causal Inference50 Questions
Exam 9: Prediction for a Dichotomous Variable50 Questions
Exam 10: Identification and Data Assessment50 Questions
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In evaluating the hypothesis test on experimental data, all the following will change the resulting test statistic except for what?
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Which of the following is an example of nonrandom treatment assignment in nonexperimental data?
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Which of the following is not one of the six steps of the scientific method?
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The most robust (but perhaps impractical) way to estimate the price elasticity of demand for your product would be:
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Which of the following departments is likely to experience experimental data more frequently than nonexperimental data?
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Nonexperimental data are likely to have issues with all of the follow assumptions except for what?
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When implementing the scientific method, one moves from a research question to a proposed idea based on limited evidence that justifies further investigation, also known as a:
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In testing if promotions (binary) Pi have an effect on sales, Si with a null hypothesis that the average treatment effect is zero, the null hypothesis could be written as:
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Often times a hypothesis test will involve determining the average treatment effect (ATE) or the:
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Suppose you wanted to determine if you should reject the null hypothesis that running a playing fast tempo (as opposed to slow) music in your store has no effect on sales. On 65 randomly selected days with fast tempo music on the average store sales is $2,345 with a sample standard deviation of 45, while on 75 randomly selected days with slow tempo music on the average store sales is $2,555, with a sample standard deviation of 65. What would be the proper t-stat for this hypothesis test?
(Multiple Choice)
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