Inferential Statistics
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Write: In your initial post of at least 550 words, using Exercises 2, 4, and 5 on pages 154-155, complete the following:
- Exercise 2(A): Obtain Z scores for each of the following raw egalitarianism scores: 5, 9, 14, 16, and 19.
- Exercise 2(B): What are the raw-score ranges for each of the four ordinal categories?
- Exercise 4(A): (i) Using the sample standard deviation as a substitute for the population standard deviation, what is the standard error of the sample mean? (ii) Using the +- 2 shortcut, what is the 95% confidence interval of the sample mean?
- Exercise 4(B): Is the skeptic on solid statistical ground? Explain your response.
- Exercise 5(A): Calculate the standard error of the sample mean.
- Exercise 5(B): Using the +- 2 shortcut, calculate the 95% confidence interval.
- Exercise 5(C): If the true gender difference is 5 inches, can you infer from your sample that individuals perceive a greater difference than actually exists? Explain your response.
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