99Complete SPSS Problem #S2 on p. 233a. Your "summary statement" should be at least one paragraph for each ofthetwo variables (EDUC and HOMPOP) in which you compare the results foreach of the four CLASS categoriesb. In particular try to explain, in statistical terms, what the 90% confidenceinterval represents for each of the two variables. That is, how do weinterpret these numbers using estimation?StatisticsSub-subjeSear

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Answered: 99 Complete SPSS Problem #S2 on p. 233…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Example 5: Find a 90% confidence interval for the mean difference in the mileage obtained for tires with the new material and tires with the old material. Following are the paired differences (new minus old) for each of the 17 riders, chosen at random, who took part in the experiment: 50, 45, 50, 50, 100, 100, 100, -10, 75, -25, 0, 25, 75, 25, 50, 40, 35
Question 3
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Part 2
Wk Qu. 13-11 A simulation returns... A simulation returns the following statistics: Mean 100 Standard Deviation: 5 Mode: 96 Minimum:75 Maximum: 135 Standard Error: 8. What is the most likely value? Most likely value A 68% confidence interval for the true mean would start at a value of 92 and end at a value of 108. A 68% confidence interval for the true mean would start at a value of and end at a value 108
Ch. 6.1 CI We examine the effect of different inputs on determining the sample size needed to obtain a specific margin of error when finding a confidence interval for a proportion. Find the sample size needed to give, with 95% confidence, a margin of error with +/- 6% when estimating a proportion. Within +/- 4%. Within +/- 1%. (Assume no prior knowledge about the population proportion p). Comment on the relationship between the sample size and the desired margin of error.
Example 5: Find a 90% confidence interval for the mean difference in the mileage obtained for tires with the new material and tires with the old material. Following are the paired differences (new minus old) for each of the 17 riders, chosen at random, who took part in the experiment: 50, 45, 50, 50, 100, 100, 100, -10, 75, -25, 0, 25, 75, 25, 50, 40, 35
Question #: 6 Based on sample data, the 95% confidence interval for the population mean is from $150 to $250. If the a = 0.05 level of significance were used in testing H,: = $260 versus H;: u# $260, the null hypothesis A. would be rejected. B. would not be rejected. C. would have to be revised. D. Not enough information is given.
QUESTION 1 A company claims that the mean weight of coffee in its 16-ounce bags is 16.05 ounces. Consumer advocates group constructed the following 95% confidence interval (16.09, 16.12). Based on this interval, do you think that the company's claim is plausible at the 5% significance level? 16.05 lies in the interval (16.09, 16.12), so we do not reject the manufacturer's claim. 16.05 does not lie in the interval (16.0, 16.2), so we reject the manufacturer's claim. Not enough information to answer the question. 16.05 does not lie in the interval (16.09, 16.12), so we reject the company's claim.
.Explain the meaning of the (a) Do the data indi region is higher than that in New England? Use a = (b) Find a 98% confidence interval for u confidence interval in the context of the problem. ain 0.01. H. Explain the meaning of the 16. Medicine: Hay Fever A random sample of n. Kansas gave the following information for people under 25 years of ace 16 communities in western %3D 1 : Rate of hay fever per 1000 population for people under 25 x,: 120 128 92 123 112 93 98 90 127 88 125 95 125 117 97 122 14 regions in western Kansas gave the following A random sample of n, information for people over 50 years old:

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