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Determining if there is a difference between two groups on a categorical variable involves a z test if done manually and a t test if run with XL Data Analyst.
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Q4: With a hypothesis test, if the z
Q26: When using regression analysis, confidence intervals may
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Q28: Maria works for ABC Marketing Research Company.
Q33: In the straight-line formula y = a
Q62: Which of the following statements is true
Q64: Directional hypotheses contain statements of "greater than"
Q74: Frequency distributions, standard deviation, and the range
Q88: A scale that asks consumers the extent