A researcher is proposing that exercise makes a person more energized as a result they require less sleep. He carries out a survey on the number of hours of exercise per week and the average hours of sleep needed per night in order to feel well-rested. The results are shown on page 2 for the 8 participants. Average hours of sleep needed/night 4 5.2 2 3.4 8 10 1.5 6 Hours of exercise/week 8.6 8.1 9 8.5 7.4 6.8 9.4 7.7 Sketch a scatter plot for the data, is the relationship linear? What is the correlation between the two variables? Calculate the coefficient of determination and explain.
A researcher is proposing that exercise makes a person more energized as a result they require less sleep. He carries out a survey on the number of hours of exercise per week and the average hours of sleep needed per night in order to feel well-rested. The results are shown on page 2 for the 8 participants. Average hours of sleep needed/night 4 5.2 2 3.4 8 10 1.5 6 Hours of exercise/week 8.6 8.1 9 8.5 7.4 6.8 9.4 7.7 Sketch a scatter plot for the data, is the relationship linear? What is the correlation between the two variables? Calculate the coefficient of determination and explain.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
Related questions
Topic Video
Question
A researcher is proposing that exercise makes a person more energized as a result they require less sleep. He carries out a survey on the number of hours of exercise per week and the average hours of sleep needed per night in order to feel well-rested. The results are shown on page 2 for the 8 participants.
Average hours of sleep needed/night |
4 |
5.2 |
2 |
3.4 |
8 |
10 |
1.5 |
6 |
Hours of exercise/week |
8.6 |
8.1 |
9 |
8.5 |
7.4 |
6.8 |
9.4 |
7.7 |
- Sketch a
scatter plot for the data, is the relationship linear? - What is the
correlation between the two variables? - Calculate the coefficient of determination and explain.
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 2 images
Knowledge Booster
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.Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL