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Question :A researcher hypothesizes that individuals who listen to classical music will score differently from the general population on a test of spatial ability. On a standardized test of spatial ability, µ =58.A random sample of 14 individuals who listen to classical music is given the same test. Their scores on the test are 52, 59, 63, 65, 58, 55, 62, 63, 53, 59, 61, 60, 57 and 59.
a) Is this a one-or two - tailed test?b) What are H0 and Ha for this study?c) Compute t obt. e) Should H0 be rejected? What should the researcher conclude?f) Determine the 95% confidence interval for the population mean, based on the sample Question 2:A researcher believes that thepercentage of people who exercise in California is greater than the nationalexercise rate. The national rate is20%. The researcher gathers a randomsample of 120 individuals who live in the California and finds that the number who exercise regularly is 31 out of 120. a. What is X2obt?b. What is df for this test?c. What is X2cv?d. What conclusion should be drawn from these results?
You are an intelligence analyst for the Department of Homeland Security assigned to the Office of Intelligence and Analysis (DHS-OIA).
A computer will be used to control flow through 10 pumping stations. The pumps exhibit a surging effect with a period of 2.2 sec. What is the minimum sampling rate to ensure quality data? How much time can be spent processing each stationâ
thanks to the ever-increasing wireless connectivity the boundary between work and personal life is constantly thinning.
Should Australia's regulatory and administrative bodies be further harmonised to create one ‘super' regulator for design and enforcement of regulation for all business entities?
How is Nahum similar to and different from Jonah in its prophecies, historical context, and result? How might we explain the fall of Nineveh proclaimed in Nahum compared to how Nineveh is seen in Jonah?
Assignment Competitive Advantage
We begin by looking at a simple 2*2 factorial with 5 replications in a CRD (completely randomized design). Let the following table denote mean yields, Yij MAIN EFFECT OF P, MAIN EFFECT OF N What we see is that the difference between low P and high P ..
business Process Selection and Resource Planning
The process of industrialization was one of the most transformational series of events in human history. Industrialization in the United States was also immensely consequential, eventually impacting virtually every aspect of modern life.
What provisions of the U.S. trade law was used by President Barack Obama to apply a tariff on tires imported from China? Does this provision make it easier or harder to apply a tariff than section 201?
What are some of the reasons an organization might consider using a Wireless LAN? What type of security issues need to be considered when implementing a Wireless LAN?
The chapter discusses a variety of genres in film. In Seminar, you will discuss these genres, as well as the purpose of film and its techniques.
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