15. A researcher believes that students do better on a reading test when hearing a constant background sound. She divides a group of students into three random groups, has them read a passage (with different background sounds), and then gives them a test. The following are her results: Constant Sound 7 10 9. 4 Random Sound 6 3 8 7 2 4 1 No Sound 4 8 3 4 2 6 Can she say that there is a significant difference between any of the types of sounds?
15. A researcher believes that students do better on a reading test when hearing a constant background sound. She divides a group of students into three random groups, has them read a passage (with different background sounds), and then gives them a test. The following are her results: Constant Sound 7 10 9. 4 Random Sound 6 3 8 7 2 4 1 No Sound 4 8 3 4 2 6 Can she say that there is a significant difference between any of the types of sounds?
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
Section5.6: Higher-degree Polynomials And Rational Functions
Problem 5E: Population Genetics In the study of population genetics, an important measure of inbreeding is the...
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Transcribed Image Text:ANOVA Test
15. A researcher believes that students do better on a reading test when hearing a constant
background sound. She divides a group of students into three random groups, has them
read a passage (with different background sounds), and then gives them a test. The
following are her results:
Constant Sound
3
7
6.
10
4
Random Sound
3
7
4
1
No Sound
2
4
8
4
2
Can she say that there is a significant difference between any of the types of sounds?
16. A botanist wants to see if a new plant grows better in different types of sunlight. He counts
the number of new leaves on the plant in one month, and gets the following results:
Full Sun
14
23
11
14
17
9.
20
31
Partial Sun
13
18
29
14
30
21
28
11
17
19
31
Shade
32
23
18
17
29
31
33
15
16
18
Can the botanist claim that the amount of light has an effect on how the plants grow?
21
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