Np 4 5 6 I. Write TRUE if the statement is correct, or FALSE otherwise.1. A sample statistic that is used to estimate the population parameter is called estimat2. When population standard deviation is not known, sample standard deviation cana good estimator of population standard deviation.3. The t-distribution is unique for each different degree of freedom.4. The z-value used when computing confidence intervals for proportion vary by degrof freedom.5. The confidence interval estimate of the population mean is constructed around thesample mean.6. The t-distribution is used to construct confidence interval for the population meanwhen the population standard deviation is known.7. An interval estimate is the sample statistic that is used to estimate the populationparameter.8. If 90% confidence interval estimate is increased to 95% confidence intervalestimate, the width of the interval will also increase.9. The best point estimator for the populatoion mean is the sampe mean.10. The 95% confidence interval for a population mean implies that there is a 0.95probability that the true population parameter mean will be contained in the intervalII. Multiple Choice: Write the letter of your answer on the blank provided.A random sample of 111 bottles of perfume showed an average contentIt is known that the population standard deviation of the contents is 0.33 ounces. Inthis problem, the 12 ounces is1.12 ounces.C. the standard errorA. a parameterB. a statisticD. sample size2.What is the margin of error for the estimation of the population mean when s=24.5,n=25,and =50.3 at 90% confidence level?A. 8.33C. 8.38B. 8.35D, 8.393.What is the critical value t for the confidence level 99% and n= 27 to estimate theconfidence interval of the population mean?A. 2.052B. 2.056C. 2.771D. 2.779

4. The z-value used when computing confidence intervals for proportion vary by degrees 3. The t-distribution is unique for each of freedom. 5. The confidence interval estimate of the population mean is constructed around the sample mean. 6. The t-distribution is used to construct confidence interval for the population mean when the population standard deviation is known. la statistic that is used to estimate the population

4. The z-value used when computing confidence intervals for proportion vary by degrees 3. The t-distribution is unique for each of freedom. 5. The confidence interval estimate of the population mean is constructed around the sample mean. 6. The t-distribution is used to construct confidence interval for the population mean when the population standard deviation is known. la statistic that is used to estimate the population

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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