1. Suppose a population consists of four elements, A, B, C, and D. The value of each element is as follows.
Population element | A | B | C | D |
Value | 15,000 | 22,000 | 25,000 | 40,000 |
To examine the confidence interval of the population mean, you select a random sample of size two. Suppose you happen to select (A, B) as your sample. Calculate the 95% confidence interval.
2. Suppose a population consists of four elements, A, B, C, and D. The value of each element is as follows.
Population element | A | B | C | D |
Value | 15,000 | 22,000 | 25,000 | 40,000 |
To examine the confidence interval of the population mean, you select a random sample of size two. Suppose you happen to select (C, D) as your sample. Calculate the 95% confidence interval.
2. ANSWER:
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