Homework Help is Here – Start Your Trial Now!
Math
Statistics
20 students were surveyed and asked asked how many hours they spent on a screen the day before a test. The table summarizes the results. (a) Create a scatterplot (b) Describe the trend (c) Describe the relationship.

20 students were surveyed and asked asked how many hours they spent on a screen the day before a test. The table summarizes the results. (a) Create a scatterplot (b) Describe the trend (c) Describe the relationship.

MATLAB: An Introduction with Applications
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
icon
Related questions
Question
100%
explain your answer in depth. - math
Two Variable Statistics Screen Mark Screen Mark Time (%) Time (%) Option 1 (hrs) (hrs) 85 3.5 75 20 students were surveyed and asked asked how many hours they spent on a screen the day before a test. The table summarizes the results. 4 60 3 81 0.5 85 1 78 3 70 5.5 62 (a) Create a scatterplot i 1.5 74 89 (b) Describe the trend. 89 81 (c) Describe the relationship. 84 90 (d) Use Desmos to help you determine the line of best fit and the equation. 3 73 2.5 77 (e) What does the r value/r² value tell you? 1 95 89 (f) Use the equation to algebraically predict the test mark for a student who spends 7 hours on a screen before a test. Use your graph to verify your solution. 2.5 76 4 55 3.
Transcribed Image Text:Two Variable Statistics Screen Mark Screen Mark Time (%) Time (%) Option 1 (hrs) (hrs) 85 3.5 75 20 students were surveyed and asked asked how many hours they spent on a screen the day before a test. The table summarizes the results. 4 60 3 81 0.5 85 1 78 3 70 5.5 62 (a) Create a scatterplot i 1.5 74 89 (b) Describe the trend. 89 81 (c) Describe the relationship. 84 90 (d) Use Desmos to help you determine the line of best fit and the equation. 3 73 2.5 77 (e) What does the r value/r² value tell you? 1 95 89 (f) Use the equation to algebraically predict the test mark for a student who spends 7 hours on a screen before a test. Use your graph to verify your solution. 2.5 76 4 55 3.
Expert Solution
steps

Step by step

Solved in 3 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
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
SEE MORE TEXTBOOKS