For the FL Student Survey data file on the books website, software reports the results for responses
Question:
a. Is it plausible that μ = 7, where μ is the population mean for all Florida students? Explain.
b. Suppose that the sample size had been 240, with xÌ… = 4.1 and s = 3.0. Find a 95% confidence interval and compare it to the one reported. Describe the effect of sample size on the margin of error.
c. Does it seem plausible that the population distribution of this variable is normal? Why?
d. Explain the implications of the term robust regarding the normality assumption made to conduct this analysis.
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Step by Step Answer:
a It is not plausible that 7 This value is well outside the confidence interval ...View the full answer
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Related Book For 
Statistics The Art And Science Of Learning From Data
ISBN: 9780321997838
4th Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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