Stats Assigment 4 [Compatibility Mode] - WordReviewViewV Tell me what you want to do...AaBbCcDc AaBbCcDc AaBbC AaBbC AaBbC AaBbCcD AaBbCcD AaBbCcD1 Normal1 No Spac. Heading 1Heading 2TitleSubtitleSubtle Em... EmphasisParagraphStylesChapter 4a11- Assuming that IQ is normally distributed with a mean of 100 and a standard deviation of 15,describe completely the samplıng distribution of the mean for a sample size (n) equal to 20.6- A teacher thinks her class has an unusually high IQ, because her 36 students have an averageIQ of 108. If the population mean is 100 and SD 15,a) What is the z score for this class?The z score for this class is 3.2.b) What percentage of class (n=36, randomly selected) would be even higher on IQ?Babcock and Marks (2010) reviewed survey data from 2003-2005, and obtained and average ofm= 14 hours per week spent studying by full-time students at 4-year college in the United States.To determine whether this average has changed in the past 10 years, researcher selected a sampleof n=64 of today's college students and obtained an average of M= 12.5 hours. If the standarda.五HP All-in-OneREDESIGNED. RELIABLE.READY FOR YOUdy

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Answered: 11- Assuming that IQ is normally…

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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Assume that IQ scores follow a Normal distribution with µ=100 and σ=16. Using our IQR rule for determining IQ score outliers, what IQ scores would establish the lower and upper fences for determining outliers?
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Many college graduates who are employed full-time have longer than 40-hour work weeks. Suppose that we wish to estimate the mean number of hours, 4, worked per week by college graduates employed full-time. We'll choose a random sample of college graduates employed full-time and use the mean of this sample to estimate H. Assuming that the standard deviation of the number of hours worked by college graduates is 6.00 hours per week, what is the minimum sample size needed in order for us to be 95% confident that our estimate is within 1.5 hours per week of ? Carry your intermediate computations to at least three decimal places. Write your answer as a whole number (and make sure that it is the minimum whole number that satisfies the requirements). (If necessary, consult a list of formulas.)
samples with sample size of 5 are drawn form a normal population with a mean of 100 and standard deviation of 1.5. Estimate: - Mean of the sample means - Standard deviation of the sample means

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11- Assuming that IQ is normally distributed with a mean of 100 and a standard deviation of 15, describe completely the sampling distribution of the mean for a sample size (n) equal to 20.