The 5 summary statistics for the homework and final scores of 100 randomly selected students from a large Physics class of 2000 students are given in the table on the right. Avg SD Homework 78 8 r= 0.5 Final 65 15 a. Find the slope and y-intercept of the regression equation for predicting Finals from Homework. Round your final answers to 2 decimal places. Don't round in the intermediate steps. sure to enter y-intercept in the first blank and the slope in the second. Final = X Homework 提交答案| Tries 0/99 b. A 95% Confidence Interval for the population slope is closest to O(0.78 to 1.10) O(-0.94 to 2.81) O(0.31 to 0.63) O(0.62 to 1.26) 提交答案 Tries 0/99 c. To test the null hypothesis Ho: slopepop = 0 against the alternative HA: slopepop + 0 we'd compute a z statistic. Select the closest Z statistic. O0.05 O0.577 O5.77 O57.7
The 5 summary statistics for the homework and final scores of 100 randomly selected students from a large Physics class of 2000 students are given in the table on the right. Avg SD Homework 78 8 r= 0.5 Final 65 15 a. Find the slope and y-intercept of the regression equation for predicting Finals from Homework. Round your final answers to 2 decimal places. Don't round in the intermediate steps. sure to enter y-intercept in the first blank and the slope in the second. Final = X Homework 提交答案| Tries 0/99 b. A 95% Confidence Interval for the population slope is closest to O(0.78 to 1.10) O(-0.94 to 2.81) O(0.31 to 0.63) O(0.62 to 1.26) 提交答案 Tries 0/99 c. To test the null hypothesis Ho: slopepop = 0 against the alternative HA: slopepop + 0 we'd compute a z statistic. Select the closest Z statistic. O0.05 O0.577 O5.77 O57.7
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
![Question 2
The 5 summary statistics for the homework and final scores of 100 randomly selected students from a large Physics class of 2000 students are given in the table on the right.
Avg SD
Homework
78 8
r = 0.5
Final
65
15
a. Find the slope and y-intercept of the regression equation for predicting Finals from Homework. Round your final answers to 2 decimal places. Don't round in the intermediate steps. Be
sure to enter y-intercept in the first blank and the slope in the second.
Final =
X Homework
提交答案| Tries 0/99
b. A 95% Confidence Interval for the population slope is closest to
O(0.78 to 1.10)
O(-0.94 to 2.81)
O(0.31 to 0.63)
O(0.62 to 1.26)
提交答案
Tries 0/99
c. To test the null hypothesis Ho: slopepon = 0 against the alternative HA: slopepoD + 0 we'd compute a Z statistic. Select the closest Z statistic.
O0.05
O0.577
O5.77
O57.7
提交答案| Tries 0/99
d. If you square the Z stat, you get the Chi Square v statistic.
提交答案
Answer Submitted: Your final submission will be graded when the time limit is reached. Tries 1/99 LBIit
And if you square the t, you get the F
v statistic.
提交答案
Answer Submitted: Your final submission will be graded when the time limit is reached. Tries 1/99 UMAS
e. Suppose the p-value for the hypothesis test in part (c) based on the Z stat yielded a p-value = 6.93%, then the X2 stat would yield a p-valuev 6.93%.
提交答案| Tries 0/99
And the t-test would yield a p-value
v 6.93%.
坦本签安
Tries 0/00](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6123530a-bd5d-4880-9c36-65467d72345f%2Fafdea0d5-c363-460b-a178-284785a117df%2F4h3qm33_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 2
The 5 summary statistics for the homework and final scores of 100 randomly selected students from a large Physics class of 2000 students are given in the table on the right.
Avg SD
Homework
78 8
r = 0.5
Final
65
15
a. Find the slope and y-intercept of the regression equation for predicting Finals from Homework. Round your final answers to 2 decimal places. Don't round in the intermediate steps. Be
sure to enter y-intercept in the first blank and the slope in the second.
Final =
X Homework
提交答案| Tries 0/99
b. A 95% Confidence Interval for the population slope is closest to
O(0.78 to 1.10)
O(-0.94 to 2.81)
O(0.31 to 0.63)
O(0.62 to 1.26)
提交答案
Tries 0/99
c. To test the null hypothesis Ho: slopepon = 0 against the alternative HA: slopepoD + 0 we'd compute a Z statistic. Select the closest Z statistic.
O0.05
O0.577
O5.77
O57.7
提交答案| Tries 0/99
d. If you square the Z stat, you get the Chi Square v statistic.
提交答案
Answer Submitted: Your final submission will be graded when the time limit is reached. Tries 1/99 LBIit
And if you square the t, you get the F
v statistic.
提交答案
Answer Submitted: Your final submission will be graded when the time limit is reached. Tries 1/99 UMAS
e. Suppose the p-value for the hypothesis test in part (c) based on the Z stat yielded a p-value = 6.93%, then the X2 stat would yield a p-valuev 6.93%.
提交答案| Tries 0/99
And the t-test would yield a p-value
v 6.93%.
坦本签安
Tries 0/00
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
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 2 steps with 1 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman