A scientist is studying the impact of certain vitamins on a person's ability to remember. The sample size for the experimental group was 45. When a two-tailed t test was calculated, the t statistic came out to be 1.74. What are the percent of variance (r²) and the size of the effect? O 0 08 which indie
A scientist is studying the impact of certain vitamins on a person's ability to remember. The sample size for the experimental group was 45. When a two-tailed t test was calculated, the t statistic came out to be 1.74. What are the percent of variance (r²) and the size of the effect? O 0 08 which indie
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
Related questions
Question
29)
![A scientist is studying the impact of certain vitamins on a person's ability to remember. The sample
size for the experimental group was 45. When a two-tailed t test was calculated, the t statistic came
out to be 1.74. What are the percent of variance (r²) and the size of the effect?
O 0.08, which indicates a medium effect
O 0.06, which indicates a medium effect
O 0.03, which indicates a small effect
O 0.30, which indicates a large effect](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff6d8b54a-743c-4fc0-9284-09a62f08bc72%2F8eaff7ac-d7bf-4bf3-ac2b-6b9ed90fc00d%2Flabwau8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A scientist is studying the impact of certain vitamins on a person's ability to remember. The sample
size for the experimental group was 45. When a two-tailed t test was calculated, the t statistic came
out to be 1.74. What are the percent of variance (r²) and the size of the effect?
O 0.08, which indicates a medium effect
O 0.06, which indicates a medium effect
O 0.03, which indicates a small effect
O 0.30, which indicates a large effect
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 2 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
![Big Ideas Math A Bridge To Success Algebra 1: Stu…](https://www.bartleby.com/isbn_cover_images/9781680331141/9781680331141_smallCoverImage.jpg)
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
![Holt Mcdougal Larson Pre-algebra: Student Edition…](https://www.bartleby.com/isbn_cover_images/9780547587776/9780547587776_smallCoverImage.jpg)
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
![Big Ideas Math A Bridge To Success Algebra 1: Stu…](https://www.bartleby.com/isbn_cover_images/9781680331141/9781680331141_smallCoverImage.jpg)
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
![Holt Mcdougal Larson Pre-algebra: Student Edition…](https://www.bartleby.com/isbn_cover_images/9780547587776/9780547587776_smallCoverImage.jpg)
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL