The price of a share of stock divided by the company's estimated future earnings per share is called the P/E ratio. High P/E ratios usually indicate "growth" stocks, or maybe stocks that are simply overpriced. Low P/E ratios indicate "value" stocks or bargain stocks. A random sample of 51 of the largest companies in the United States gave the following P/E ratios†. 11 35 19 13 15 21 40 18 60 72 9 20 29 53 16 26 21 14 21 27 10 12 47 14 33 14 18 17 20 19 13 25 23 27 5 16 8 49 44 20 27 8 19 12 31 67 51 26 19 18 32 (a)Find a 90% confidence interval for the P/E population mean μ of all large U.S. companies. (Round your answers to one decimal place.) lower limit (b)
The price of a share of stock divided by the company's estimated future earnings per share is called the P/E ratio. High P/E ratios usually indicate "growth" stocks, or maybe stocks that are simply overpriced. Low P/E ratios indicate "value" stocks or bargain stocks. A random sample of 51 of the largest companies in the United States gave the following P/E ratios†. 11 35 19 13 15 21 40 18 60 72 9 20 29 53 16 26 21 14 21 27 10 12 47 14 33 14 18 17 20 19 13 25 23 27 5 16 8 49 44 20 27 8 19 12 31 67 51 26 19 18 32 (a)Find a 90% confidence interval for the P/E population mean μ of all large U.S. companies. (Round your answers to one decimal place.) lower limit (b)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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The price of a share of stock divided by the company's estimated future earnings per share is called the P/E ratio. High P/E ratios usually indicate "growth" stocks, or maybe stocks that are simply overpriced. Low P/E ratios indicate "value" stocks or bargain stocks. A random sample of 51 of the largest companies in the United States gave the following P/E ratios†.
| 11 | 35 | 19 | 13 | 15 | 21 | 40 | 18 | 60 | 72 | 9 | 20 |
| 29 | 53 | 16 | 26 | 21 | 14 | 21 | 27 | 10 | 12 | 47 | 14 |
| 33 | 14 | 18 | 17 | 20 | 19 | 13 | 25 | 23 | 27 | 5 | 16 |
| 8 | 49 | 44 | 20 | 27 | 8 | 19 | 12 | 31 | 67 | 51 | 26 |
| 19 | 18 | 32 |
(a)Find a 90% confidence interval for the P/E population mean μ of all large U.S. companies. (Round your answers to one decimal place.)
| lower limit |
(b)
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