9. Four students took a statistics test before and after coaching, but coaching did not a e scores of students i.e. mean change in scores is zero. Their scores are as follows: Students A В C D Before 62 88 64 70 After 60 89 60 74 nd the value of test statistic-t for matched pairs. (Round off up to 2 decimal places) 1.25 0.25 3.25

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Topic Video
Question

what is the right answer because i am not sure of my answer ?

Q9. Four students took a statistics test before and after coaching, but coaching did not affect
the scores of students i.e. mean change in scores is zero. Their scores are as follows:
Students
A
В
C
D
Before
62
88
64
70
After
60
89
60
74
Find the value of test statistic-t for matched pairs. (Round off up to 2 decimal places)
а. 1.25
b. 0.25
с. 3.25
d. 2.25
Transcribed Image Text:Q9. Four students took a statistics test before and after coaching, but coaching did not affect the scores of students i.e. mean change in scores is zero. Their scores are as follows: Students A В C D Before 62 88 64 70 After 60 89 60 74 Find the value of test statistic-t for matched pairs. (Round off up to 2 decimal places) а. 1.25 b. 0.25 с. 3.25 d. 2.25
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Propositional Calculus
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
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 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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman