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The price to earnings ratio (P/E) is an important tool in financial work. A random sample of 14 large U.S. banks (J. P. Morgan, Bank of America, and others) gave the following P/E ratios.†
24 16 22 14 12 13 17 22 15 19 23 13 11 18
The sample mean is x ≈ 17.1. Generally speaking, a low P/E ratio indicates a "value" or bargain stock. Suppose a recent copy of a magazine indicated that the P/E ratio of a certain stock index is μ = 18. Let x be a random variable representing the P/E ratio of all large U.S. bank stocks. We assume that x has a normal distribution and σ = 4.5. Do these data indicate that the P/E ratio of all U.S. bank stocks is less than 18? Use α = 0.01.
Compute the z value of the sample test statistic. (Round your answer to two decimal places.)
(c) Find (or estimate) the P-value. (Round your answer to four decimal places.)
What aspects Ethnography are important to the work of PK-12 educators? In other words, what skills, perspectives, approaches, etc. can educators take from the methods and foundations of ethnography to be more effective in their practice
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Little Tammy is frightned by thunder and cries when she hears it. During a season of frequent electrical storms, thunder is always preceded by lightning. Now Tammy cries as soon as she sees lightning. In this example what is the conditioned response.
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Reflection is a learning process through which you use your experiences and knowledge to guide you in the future.
M. tuberculosis can be transmitted in virtually any setting. Clinicians should be aware that transmission has been documented in healthcare settings.
Analyze the leadership scenario below, taking care to respond to each of the essential elements within it, and use your analysis as the basis for the group.
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Write an essay of 1,000-1,250 words in which you address the history of equal opportunity in education. Answer the following questions: How did students come to receive the opportunities (e.g., Title 1) they currently have in public education?
Provide an example of a situation that demonstrates the relationship between the theory and the behavior in learning and cognitive theory please
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