You intend to estimate a population mean µ from the following sample. 29.5 24.9 23.8 18.6 34.3 30.1 26.7 10.7 19 29.4 19.2| 41.2 36.4 | 23.7 28.8 | 25.2 12.8 31.1 41.9 15 39.5 34.6 14.5 11.2 32.6 20| 28.4 26.9 29.2 | 33.4 34.7| 27.1 35.5 23.6| 23.1 30.4 25.6 17.4 24.9 30.3 24.9 34.4 16.2 41.2 29.9| 31.2 | 21.3 | 24.4 24.7 30.9 Find the 95% confidence interval. Enter your answer as a tri-linear inequality accurate to t decimal place (because the sample data are reported accurate to one decimal place). |<µ<

You intend to estimate a population mean µ from the following sample. 29.5 24.9 23.8 18.6 34.3 30.1 26.7 10.7 19 29.4 19.2| 41.2 36.4 | 23.7 28.8 | 25.2 12.8 31.1 41.9 15 39.5 34.6 14.5 11.2 32.6 20| 28.4 26.9 29.2 | 33.4 34.7| 27.1 35.5 23.6| 23.1 30.4 25.6 17.4 24.9 30.3 24.9 34.4 16.2 41.2 29.9| 31.2 | 21.3 | 24.4 24.7 30.9 Find the 95% confidence interval. Enter your answer as a tri-linear inequality accurate to t decimal place (because the sample data are reported accurate to one decimal place). |<µ<

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Description: You intend to estimate a population mean u from the following sample.23.8| 18.626.7| 10.729.524.934.330.11929.419.2 41.212.836.423.731.141.928.825.21539.534.614.511.232.62028.426.930.429.233.425.634.727.117.424.930.335.5 23.623.124.934.416.2 | 41.22

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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The following bivariate data set contains an outlier. x y 33.3 -236 48 2775.5 35.8 113.6 37.2 -847.7 36.7 -771.2 27.9 -497.6 42.1 647.7 26.2 1112.5 17.1 -912.3 62.5 -1162.1 33.6 -423.5 48.9 18.3 32.4 -513.2 45.2 1011.7 198.7 -1199 This data can be downloaded as a *.csv file with this link: Download CSVWhat is the correlation coefficient with the outlier?rw = What is the correlation coefficient without the outlier?rwo = Would inclusion of the outlier change the evidence for or against a significant linear correlation? No. Including the outlier does not change the evidence regarding a linear correlation. Yes. Including the outlier changes the evidence regarding a linear correlation.
Find the 10 % trimmed mean of the following data. If necessary, round to one more decimal place than the largest number of decimal places given in the data. Rate of Fatal Alcohol Impaired Car Crashes per 100 Million Vehicle Miles of Travel 0.45 0.61 0.29 0.33 0.38 0.44 0.54 0.54 0.58 0.60 0.47 0.65 0.47 0.49 0.71 0.72 0.50 0.50 0.76 0.76 0.78 Copy Data
A statistical program is recommended. A paper gave the following data on n = 11 female black bears. Age(years) Weight(kg) Home-RangeSize (km2) 10.5 54 43.0 6.5 40 46.6 28.5 62 57.4 6.5 55 35.7 7.5 56 62.0 6.5 62 33.8 5.5 42 39.7 7.5 40 32.3 11.5 59 57.2 9.5 51 24.3 5.5 50 68.6 (a) Fit a multiple regression model to describe the relationship between y = home-range size and the predictors x1 = age and x2 = weight. (Round your numerical values to four decimal places.) = (b) If appropriate, carry out a model utility test with a significance level of 0.05 to determine if at least one of the predictors age and weight is useful for predicting home range size. State the null and alternative hypotheses. H0: ?1 = ?2 = 1Ha: at least one of ?1 or ?2 is not 1.H0: At least one of ?1 or ?2 is not 1.Ha: ?1 = ?2 = 1 H0: ?1 = ?2 = 0Ha: at least one of ?1 or ?2 is not 0.H0: At least one of ?1 or ?2 is not 0.Ha: ?1 = ?2 = 0 Calculate the test…
Samples of starting annual salaries for individuals entering the public accounting and financial planning professions follow. Annual salaries are shown in thousands of dollars. Public Accountant 51.2 57.8 57.3 58.2 53.2 55.0 51.9 58.5 57.0 52.9 Financial Planner 49.0 50.2 54.1 54.9 52.9 Find the value of the test statistic. W = 137.5 53.6 49.7 53.9 52.8 48.9 (a) Use a 0.05 level of significance and test the hypothesis that there is no difference between the starting annual salaries of public accountants and financial planners. State the null and alternative hypotheses. O Ho: Median salary for public accountants - Median salary for financial planners ≤ 0 H₂: Median salary for public accountants - Median salary for financial planners > 0 Ho: The two populations of salaries are identical. H₂: The two populations of salaries are not identical. O Ho: Median salary for public accountants - Median salary for financial planners 20 H₂: Median salary for public accountants - Median salary for…
Here is a sample data set that appears to be nearly normal (as suggested by the histogram). 85.4 63.6 85.7 85.6 92.4 89.8 84.2 82.2 88 76.5 87.6 79 61.4 88.6 89.4 95 96.4 76.3 92.4 79.8 82.2 86.5 76.7 90.7 85.4 94 75.8 79.8 92.4 74.3 65 81.4 75.5 76.7 76.5 84.2 78.6 82.9 84.7 74.9 84 91.2 84.4 68.2 76 75.8 74.6 77.3 79.8 69.2 82.9 74.6 71.7 76.7 80 82.2 91.8 74.9 72.7 74.8 84 80.6 67.6 71.7 79.6 81.2 78.2 83.7 82.2 71.4 What is the mean of this data set? (Report answer using the rules suggested in class: 1 more d.p. than the data.)M=What is the standard deviation of this data set? (Report answer using the rules suggested in class: 2 more d.p. than the data.)SD=
Use the following sample to estimate a population mean µ. 11.7 6.6 22.6 41.4 26.9 -0.7 30.2 -7.9 -1.1 20.8 13.3 46.5 -13.4 30.2 6.2 17.3 19 13.1 9.7 17.7 1.7 26.1 2.1 57.8 40.3 46.4 9.4 7.5 11.3 -5.8 1.3 -0.5 12.1 19.2 15.6 25.4 24.4 50.7 0.4 6.8 24.2 24.8 24.5 Download CSV Find the 99% confidence interval about the population mean. Enter your answer as a tri-linear inequality accurate to two decimal place. < µ< N327 -43 4
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Use the following sample to estimate a population mean . 70.6 77.8 65.1 72.1 57.7 53.6 40.6 53.5 38.9 68.1 99 68.8 64.8 59.3 89.2 52.4 100.9 97.9 47.7 60.3 52.4 63.5 65.2 119.4 62.5 103.5 90.1 88.1 49.8 61.2 81.9 20.9 72 59.1 83.2 73.8 62.8 119.9 55.1 88.5 103.2 86.6 Download CSV 55.7 96.3 115.9 Find the 80% confidence interval about the population mean. Enter your answer as a tri-linear inequality accurate to two decimal place.
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