DIRECTION: Answer the following questions using the t-table and show your complete solutions.Write your answers on any clean sheet/s of paper. Strictly no solution, automatically wrong.1. What is the area to the right of 1.5 under the t-distribution with 14 degrees offreedom?2. What is the area to the right of 2.75 under the t-distribution with 28 degrees offreedom?3. What is the area to the left of 2.8 under the t-distribution with 5 degrees offreedom?4. If the degree of freedom is 20, what is the 96th percentile of the t-distribution?5. In a t-distribution with 13 degrees of freedom, what is the 38th percentile?

Given that 1. What is the area to the right of 1.5 under the t-distribution with 14 degrees of…

Answered: 1. What is the area to the right of 1.5…

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

A distribution has a mean of 9, a median of 9, and a mode of 9. What is the shape of this distribution? 1. Positively skewed 2. Negatively skewed 3. Perfectly symmetrical 4. None of the above
7. Find the z-score that cuts off a left tail whose area is 2.5%. 8. Find the z-score that cuts off a right tail whose area is 10.75%.
7
39
7. Calculate -scores for the following raw scores taken from a population with a mean of 100 and standard deviation of 16: 112, 109, 56, 88, 135, 99 Answer: 2 = 0.75, 0.56, -2.75, -0.75, 2.19, -0.06 show work for these please
Consider the distribution of scores of 15 students: 83, 72, 87, 79, 75, 82, 76, 77, 73, 86, 81, 79, 82, 79, 74. 6. The median score is... 7. The mean score is... 8. The mode is... 9. The given distribution is...
Suppose you multiply the data for the duration of hospital stay by 3. a. What is the effect on the median? b. What is the effect on the mode? c. What is the effect on the mean? d. What is the effect on the sample standard deviation?
Suppose the following data show the prices of 4 cars with similar characteristics that sold at a recent auction (in thousands of dollars): 5.7, 11.3, 10.4, 12.9. Calculate the mean selling price of the sample. (please express your answer using 2 decimal places)
The amount of pollutants that are found in waterways near large cities is normally distributed with mean 9.5 ppm and standard deviation 1.7 ppm. 37 randomly selected large cities are studied. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. What is the distribution of ? ¤ - N( c. What is the probability that one randomly selected city's waterway will have more than 9.8 ppm pollutants? d. For the 37 cities, find the probability that the average amount of pollutants is more than 9.8 ppm. e. For part d), is the assumption that the distribution is normal necessary? O NoO Yes f. Find the IQR for the average of 37 cities. Q1 = ppm Q3 = ppm IQR: ppm
38. Pregnancy Lengths. Lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. a. What percentage of pregnancies last less than 250 days? b. What percentage of pregmancies last more than 300 days? (continued)
9. If we take samples of size 110 from a population with proportion 0.39, comment on whether the sampling distribution follows a normal distribution. Explain.

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