1.44 Make-up exam: In a class of 24 students, 23 of them took an exam in class and 1 student took a make-up exam the following day. The professor graded the first batch of 23 exams and found an average score of 76 points with a standard deviation of 6.9 points. The student who took the make-up the following day scored 61 points on the exam. a) Does the new student's score increase or decrease the average? O Decreases
1.44 Make-up exam: In a class of 24 students, 23 of them took an exam in class and 1 student took a make-up exam the following day. The professor graded the first batch of 23 exams and found an average score of 76 points with a standard deviation of 6.9 points. The student who took the make-up the following day scored 61 points on the exam. a) Does the new student's score increase or decrease the average? O Decreases
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
100%
Expert Solution
Step 1
Here Given
In class of 24 ,23 of them took exam in class and 1 on another day.
Now Avg for 23 students
= AVERAGE
S= 6.9 POINTS= STANDARD DEVIATION
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
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