# Question

Refer to Exercise 7.8 on page 284.

Population data: 2, 3, 5, 7, 8.

a. Use your answers from Exercise 7.8(b) to determine the mean, μx-bar, of the variable x-bar for each of the possible sample sizes.

b. For each of the possible sample sizes, determine the mean, μx-bar, of the variable x-bar using only your answer from Exercise 7.8(a).

Population data: 2, 3, 5, 7, 8.

a. Use your answers from Exercise 7.8(b) to determine the mean, μx-bar, of the variable x-bar for each of the possible sample sizes.

b. For each of the possible sample sizes, determine the mean, μx-bar, of the variable x-bar using only your answer from Exercise 7.8(a).

## Answer to relevant Questions

Refer to Exercise 7.9 on page 284. Population data: 1, 2, 3, 4, 5, 6. a. Use your answers from Exercise 7.9(b) to determine the mean, μx-bar, of the variable x-bar for each of the possible sample sizes. b. For each of the ...Repeat parts (b) and (c) of Exercise 7.41 for samples of size 3. For part (b), use your answer to Exercise 7.13(b). b. Consider samples of size 2 without replacement. Use your answer to Exercise 7.11(b) on page 284 and ...Population data: 1, 2, 3, 4. a. Find the mean, μ, of the variable. b. For each of the possible sample sizes, construct a table similar to Table 7.2 on page 281 and draw a dotplot for the sampling distribution of the sample ...Consider simple random samples of size n without replacement from a population of size N. a. Show that if n ≤ 0.05N, then b. Use part (a) to explain why there is little difference in the values provided by Equations (7.1) ...A variable of a population has mean μ and standard deviation σ. For a large sample size n, answer the following questions. a. Identify the distribution of x-bar. b. Does your answer to part (a) depend on n being large? ...Post your question

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