Questions from Essentials of Statistics


Q: Explain what happens during each of the two stages of the two

Explain what happens during each of the two stages of the two-factor ANOVA.

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Q: Find each of the following values for the distribution shown in the

Find each of the following values for the distribution shown in the following polygon. a. n b. ΣX c. ΣX2

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Q: The following results are from an independent-measures, two-

The following results are from an independent-measures, two-factor study with n = 4 participants in each treatment condition. a. Use a two-factor ANOVA with a = .05 to evaluate the main effects and th...

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Q: Suppose that a researcher conducts an independent samples experiment comparing three treatments

Suppose that a researcher conducts an independent samples experiment comparing three treatments. Participants serve in the experiment either online or by visiting the researcher’s la...

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Q: For the data in the following matrix: / a

For the data in the following matrix: a. Which two means are compared to describe the treatment main effect? b. Which two means are compared to describe the main effect of age? c. Is there an interact...

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Q: The following matrix presents the results from an independent-measures,

The following matrix presents the results from an independent-measures, two-factor study with a sample of n = 10 participants in each treatment condition. Note that one treatment mean (â€&#...

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Q: A researcher conducts an independent-measures, two-factor study

A researcher conducts an independent-measures, two-factor study with two levels of factor A and two levels of factor B, using a sample of n 5 8 participants in each treatment condition. a. What are th...

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Q: The following results are from an independent-measures, two-

The following results are from an independent-measures, two-factor study with n 5 10 participants in each treatment condition. a. Use a two-factor ANOVA with a = .05 to evaluate the main effects and t...

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Q: The following set of X values is the same as those used

The following set of X values is the same as those used in Problem 23. For the following set of data: a. Compute the Pearson correlation statistic and compare your answer to the answer that you found...

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Q: For the following scores, / a. Sketch a

For the following scores, a. Sketch a scatter plot showing the six data points. b. Just looking at the scatter plot, estimate the value of the Pearson correlation. c. Compute the Pearson correlation....

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