A researcher randomly assigned post-surgical patients to receive one of three types of pain drug. After waiting for the drugs to take effect, he asked each patient to rate their level of pain on a 12-point scale, where higher numbers indicate greater pain. Analyze the results below using a one-way ANOVA and follow the 7 hypothesis testing steps you have been taught. Use an appropriate post hoc test if necessary. Retryl 2 Arctus Locor 2 7 1 3. 8 4. 4. 4

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A: Null and alternative hypotheses: The null and alternative hypotheses are as follows:

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A: Let\'s take a dataset of 3 groups with 12 observations. Hypotheses can be set as shown below.

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A:

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Q: What is LSD (least significant difference) test?

A:

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A: Solution

Q: What does the one-sample chi-square test determine?

A: The Chi-square test used with one sample is described as a "goodness of fit" test

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A: Central limit theorem:Central limit theorem is defined as the sampling distribution of any…

Q: Why is it important to understand z-score? Please explain your understanding of z-score.

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A: Solution

Q: Write a small report (Maximum 1 page) explaining in your OWN TERMS what Bayesian statis- tics is.…

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Q: 2. Five hundred sixty-nine people were surveyed on their favorite source of caffeine. The results…

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Q: ANOVA y Sum of Squares df Mean Square Sig. Between Groups 32.000 16.000 8.000 .010 Within Groups…

A:

Q: When do we use Chi2 Test, i.e. what statistic does it involve?

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