Question 1 The students in 3 sections of a statistics class were each taught by 3 different teaching methods. At the end of the course a common exam was administered. A random sample of 6 students was taken from each section. Their marks on the exam (out of 100) are displayed in the table below. Section 3 56 68 72 56 78 71 58 82 81 67 58 85 68 61 91 71 55 66 Is there sufficient evidence to conclude at the 5 percent level that there exist significant differences in the average grades for the 3 teaching methods? Carefully discuss.
Question 1 The students in 3 sections of a statistics class were each taught by 3 different teaching methods. At the end of the course a common exam was administered. A random sample of 6 students was taken from each section. Their marks on the exam (out of 100) are displayed in the table below. Section 3 56 68 72 56 78 71 58 82 81 67 58 85 68 61 91 71 55 66 Is there sufficient evidence to conclude at the 5 percent level that there exist significant differences in the average grades for the 3 teaching methods? Carefully discuss.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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![Question 1
The students in 3 sections of a statistics class were each taught by 3 different teaching
methods. At the end of the course a common exam was administered. A random sample of
6 students was taken from each section. Their marks on the exam (out of 100) are
displayed in the table below.
Section
1
2
3
72
56
68
56
78
71
81
58
82
67
58
85
68
61
91
71
55
66
Is there sufficient evidence to conclude at the 5 percent level that there exist significant
differences in the average grades for the 3 teaching methods? Carefully discuss.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe63b9495-8457-4db6-b3fb-fb5ac3a4059c%2Fc593334e-64be-4653-9ebe-f47074c1a9f4%2Fyvetxq_processed.png&w=3840&q=75)
Transcribed Image Text:Question 1
The students in 3 sections of a statistics class were each taught by 3 different teaching
methods. At the end of the course a common exam was administered. A random sample of
6 students was taken from each section. Their marks on the exam (out of 100) are
displayed in the table below.
Section
1
2
3
72
56
68
56
78
71
81
58
82
67
58
85
68
61
91
71
55
66
Is there sufficient evidence to conclude at the 5 percent level that there exist significant
differences in the average grades for the 3 teaching methods? Carefully discuss.
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