The following data gives the number of hours 10 students spent studying and their corresponding grades on their midterm exams. Hours 0.5 1 1.5 2.5 3 3.5 4 4.5 5 6 Spent Studying Midterm 66 72 75 78 81 87 90 93 96 99 Grades Step 1. Draw a scatter plot of the given data. Midterm Grades Answer: 99- 96- 93- 90- 87- 84- $1- 78 75- 72 69 66 63 60- T 0 0.5 1 1.5 3.5 Hours Spent Studying 2.5 4 4.5 S 5.5 6 2. Estimate the correlation in words: positive, negative, no correlation. A) Positive B) Negative C) No correlation Step 3. Calculate the correlation coefficient, r. Round your answer to three decimal places.
The following data gives the number of hours 10 students spent studying and their corresponding grades on their midterm exams. Hours 0.5 1 1.5 2.5 3 3.5 4 4.5 5 6 Spent Studying Midterm 66 72 75 78 81 87 90 93 96 99 Grades Step 1. Draw a scatter plot of the given data. Midterm Grades Answer: 99- 96- 93- 90- 87- 84- $1- 78 75- 72 69 66 63 60- T 0 0.5 1 1.5 3.5 Hours Spent Studying 2.5 4 4.5 S 5.5 6 2. Estimate the correlation in words: positive, negative, no correlation. A) Positive B) Negative C) No correlation Step 3. Calculate the correlation coefficient, r. Round your answer to three decimal places.
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

Transcribed Image Text:7.
The following data gives the number of hours 10 students spent studying and their
corresponding grades on their midterm exams.
Hours 0.5 1 1.5 2.5 3 3.5 4 4.5 5 6
Spent
Studying
Midterm 66 72 75 78 81
Grades
Step 1. Draw a scatter plot of the given data.
Midterm Grades
Answer:
99-
96-
93
90
87
84
$1
78
75
72
69
66
63
60
0
T
0.5 1
1.5
90
87 ⁹0 93 96 99
2.5
3.5
Hours Spent Studying
4
4.5 5 5.5
6
Step 2. Estimate the correlation in words: positive, negative, no correlation.
A) Positive
B) Negative
C) No correlation
Step 3. Calculate the correlation coefficient, r. Round your answer to three decimal
places.
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 2 steps with 1 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