The paired data below consists of test scores and hours of preparation for 5 randomly selected students. X = HOURS 5 2 9 6 10 Y = GRADE 64 48 72 73 80 n=5 x-values = 32 y-values = 337 x-squared values = 25+4+81+64+100 = 274 y-squared values = 4096+2304+5184+5329+6400 = 23313 sum of (xy) values = 320+96+648+438+800 = 2302 Using a 0.05 level of significance, test the claim that there is a linear correlation between x and y. Ho and H1 The value of r, the test statistic from part 1 above The critical value Your decision to reject Ho or accept Ho Find the linear regression line for this data. m, the slope b, the y-intercept Your regression line written in y = mx + b form, with m and b rounded to three decimal places If a student prepared for 2.25 hours, what would his corresponding test grade be?
The paired data below consists of test scores and hours of preparation for 5 randomly selected students. X = HOURS 5 2 9 6 10 Y = GRADE 64 48 72 73 80 n=5 x-values = 32 y-values = 337 x-squared values = 25+4+81+64+100 = 274 y-squared values = 4096+2304+5184+5329+6400 = 23313 sum of (xy) values = 320+96+648+438+800 = 2302 Using a 0.05 level of significance, test the claim that there is a linear correlation between x and y. Ho and H1 The value of r, the test statistic from part 1 above The critical value Your decision to reject Ho or accept Ho Find the linear regression line for this data. m, the slope b, the y-intercept Your regression line written in y = mx + b form, with m and b rounded to three decimal places If a student prepared for 2.25 hours, what would his corresponding test grade be?
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
The paired data below consists of test scores and hours of preparation for 5 randomly selected students.
|
X = HOURS |
5 |
2 |
9 |
6 |
10 |
|
Y = GRADE |
64 |
48 |
72 |
73 |
80 |
n=5
x-values = 32
y-values = 337
x-squared values = 25+4+81+64+100 = 274
y-squared values = 4096+2304+5184+5329+6400 = 23313
sum of (xy) values = 320+96+648+438+800 = 2302
Using a 0.05 level of significance, test the claim that there is a
Ho and H1
The value of r, the test statistic from part 1 above
The critical value
Your decision to reject Ho or accept Ho
Find the linear regression line for this data.
m, the slope
b, the y-intercept
Your regression line written in y = mx + b form, with m and b rounded to three decimal places
If a student prepared for 2.25 hours, what would his corresponding test grade be?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 3 images
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