t 42. The first four moments of a distribution about value 2 are 1, 2.5, 5.5 and16 respectively. Calculate the first four moment about mean and comment on the skewness& kurtosis.ar-o1

Answered: Image /qna-images/answer/902092a7-a093-4e07-b6f7-b2b020a9f55e.jpg

Answered: 42. The first four moments of a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random sample of 50 male firefighters are tested and that they have a plasma volume sample mean of x = 37.5 ml/kg (milliliters plasma per kilogram body weight). Assume that ? = 7.20 ml/kg for the distribution of blood plasma.
A sample of 3 measurements are taken and recorded: a =8, y = 10 and z = 7 The sample mean is: x = = 8.33 Fill in the table below. aj (a; - x)2 Ex: 5.34 Ex: 5.34 Ex: 5.34 82 = (z-z)*+(y-a)* +(z-z) Ex: 5.34 (z-2)*+(y-z)* +(z-) = Ex: 5.34
Assume that adults have IQ scores that are normally distributed with a mean of mμ=100 and a standard deviation σ= 15. Find the probability that a randomly selected adult has an IQ less than 127. The probability that a randomly selected adult has an IQ less tha 127 is
Please read the following question carefully and type the solution down accordingly. 1. X₁, X₂, X3, X₁ is the sample from x that has the normal distribution N(0,4) and a(X₁-2X₂2)² +b(3X₂-4X₂)² has a x² (n), Find the values of a, b and n. distrbituion
The first method of moments equation uses the first sample moment about the mean a. True b. False
* Grades for Ivan Zepeda: 40231 X A HW 9.5 + instructure.com/courses/2177802/assignments/13744607 A Maps Test the claim that the mean salary in a town is at most $54000. A random sample 33 salaries yields an average of $54536.16. Use a = 0.01, and assume that o = $1400. 1. The sample size restriction for this test is: O Need at least 5 successes and 5 failures O Need n > 30 O None needed since population is normally distributed e The hypotheses are: О Но:р — 54000; На:р + 54000 O Ho:p 54000 O Ho:p > 54000; Ha:p 54000 or O Ho:µ > 54000; Ha: µ < 54000 2. This is a O rightO twoO left tailed test and the distribution used is OT since o not known Oz since o known OZ since testing a proportion The Degrees of Freedom are O 32 O 3 ON/A since this is a Z-test 3. The STS (round to 3 decimals) is:
just part d thank you!
Gjcv
Students in a statistics course take their first exam and the class gets μ = 75.75 and σ = 7.75. The distribution is normally distributed (bell curve shaped). The professor takes all the scores and turns them into z-scores. What is true of the new z-score distribution that the professor has made? Group of answer choices
7. Assume that X and Y have a bivariate normal distribution having means 14.l and 1.3, and standard deviations 2.5 and 0.1, respectively, with correlation coefficient 0.8. Find P(Y >1.4|X =15) and P(X >15|Y = 1.4).
Answer last 3 parts. t hank y o u.
1.3 answer in 2 decimal places No need solutions

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS

42. The first four moments of a distribution about value 2 are 1, 2.5, 5.5 and 16 respectively. Calculate the first four moment about mean and comment on the skewness & kurtosis. ar-o1