6. a normal distribution has a mean of 65 and an SD of 20. For each of the following samples,compute the z score for the sample mean and determine whether the mean is typical or extreme.(calculate a Z STATISTIC)Ia. M=74 for a sample of 4 scoresB.M=74 for a sample of 25 scores8:F2*3#ED80F3C544RFaV%5F5TG6BMacBook AirYH87&FEB27 NUN008JDIIM(9

Answered: Image /qna-images/answer/e6009708-b8c7-45a6-b9b5-4e7f5c3ae217.jpg

Answered: 6. a normal distribution has a mean of…

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

The scores on a standardized mathematics test for 8th-grade children in New York State form a normal distribution with a mean of m= 70 and a SD=10. a. What proportion of the students in the state have scores less than X=75? b. If samples of n=4 are selected from the population, what proportion of the samples will have means less than M=75? c. If samples of n=25 are selected from the population, what proportion of the samples will have means less than M=75?
Which of the following is NOT a requirement of testing a claim about the mean of the differences from dependent samples? Choose the correct answer below. O A. The degrees of freedom aren- 2. O B. The samples are simple random samples. O C. The sample data are dependent. O D. Either the number of pairs of sample data is larger than 30 or the pairs have differences that are from a population having a distribution that is approximately normal, or both.
For each of the following z-scores, sketch a normal distribution and draw a vertical line at the location of the z-score. Then, determine whether the body is to the right or the left of the z-score and find the proportion of the distribution located in the body. 7.2 z = 0.75 z = -0.67 а. z = -0.33 b. С. z = 1.96 d.
Find the following percentile and percentile ranks for a normal distribution with a mean of ? =120and? =15. The percentile rank for X = 102 The percentile rank for X = 120 The interquartile range
I need help with #15
B. PROBLEM SOLVING: Determine the z-value for each of the following x values for a normal distribution with u = 17 and o = 4. 6. x = 46 7. x = 7 8. x = 3 9. x = 17 10. x = 30 1. x = 13 2. x = 9 3. х%3D 23 4. x = 26 5. x = 18 DTECHNOLOGE AND PHILIP
For the following scores from a sample: a. Compute the mean, median and mode for the scores. b. Compute the SS, variance and SD. X f 7 1 6 2 5 2 4 2 3 1 MacBook Air
The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow. 9 2 5 4 6 6 2 7 6 10 8 8 9 7 9 9 9 9 10 9 10 10 10 9 9 10 6 8 10 5 7 10 9 5 9 6 9 860 4 3 6 2 7 10 7 9 9 9 Develop a 95% confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places. 9
Statistic. Help me answer from 1-20 items

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

6. a normal distribution has a mean of 65 and an SD of 20. For each of the following samples, compute the z score for the sample mean and determine whether the mean is typical or extreme. (calculate a Z STATISTIC) I a. M=74 for a sample of 4 scores B.M=74 for a sample of 25 scores