An exam score has a mean of 78 and a standard deviationof 9.What is the z-score for an exam score of 64.5?What is the z-score for an exam score of 82.5?Which exam score is more unsual, 64.5 or 82.5?O An exam score of 64.5 is more unsual because itscorresponding z-score is further from 0.O An exam score of 82.5 is more unusual because itscorresponding z-score is further from 0.

GivenMean(μ)=78standard deviation(σ)=9

Answered: An exam score has a mean of 78 and 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

Could you please highlight the correct answer. and explain it
please help me answer this all. if i divided it it just became hard explain it. please i give a thumbs up. answer this.
A z-score of +1.6 represents a value which is how many standard deviations above the mean?
Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if its z score is greater than or equal to 2. Atest is used to assess readiness for college. In a recent year, the mean test score was 21.3 and the standard deviation was 4.7. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Test scores that are greater than (Round to one decimal place as needed.) O B. Test scores that are between and (Round to one decimal place as needed. Use ascending order.) OC Test scores that are less than (Round to one decimal place as needed.)
Human body temperatures have a mean of 98.20°F and a standard deviation of 0.62°F. Convert 103.00°F to a z-score and determine if it is usual or unusual. Unusual means that the z-score is more than two standard deviation's below or above the mean. Show work please!
The results of a common standardized test used in psychology research is designed so that the population mean is 175 and the standard deviation is 20. A subject earns a score of 227. What is the z-score for this raw score? Do not round your answer.z-score = ?
An IQ test has a mean of 100 and a standard deviation of 15. Which is more unusual, an IQ of 85 or an IQ of 120? what is the z-score for IQ 85 what is the z-score for IQ 120
Ali scores 70 on Calculus-1 course with a class mean of 68 and a standard deviation of 2, and he scores 68 on Introduction to Operating with a class average of 60 and a standard deviation of 2. In which test did he perform well? Explain
Beth scored 88 on a nutrition test. The class mean was 81 and the standard deviation was 3.2. What is Beth's T-score? Group of answer choices 47.8 71.9 22.4 Beth's T-score cannot be calculated. Not enough information is provided.
Consider a value to be significantly low if its z score less than or equal to -2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 19.2 and the standard deviation was 4.5. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. A. Test scores that are greater than_____(Round to one decimal place as needed.) B. Test scores that are less than____(Round to one decimal place as needed.) C. Test scores that are between_______ and _____(Round to one decimal place as needed. Use ascending order.)
In Math 150 class the points of the final exam are normally distributedWith a mean of 72 and standard deviation of 10. The top 15% will receive an A gradeFind the lowest score in the final exam that would qualify a student for an A grade.
Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 21.8 and the standard deviation was 5.1. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Test scores that are less than (Round to one decimal place as needed.) O B. Test scores that are greater than (Round to one decimal place as needed.) C. Test scores that are between and (Round to one decimal place as needed. Use ascending order.)

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