The following data are Mathematics scores of students grouped according to type of high school they come from (Private or Public). Is this an indication that the students' scores in one group is significantly different from the other?

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter19: Probability And Statistics In Engineering
Section: Chapter Questions
Problem 1P: The scores of a test for an engineering class of 30 students are shown here. Organize the data in a...
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BEFORE
AFTER
МEAN
VARIANCE
OBSERVATIONS
df
F
P(F<=f) one-tail
F Critical one-tail
CONCLUSION
HS TYPE
MEAN
DE
t_c
P-VALUE
PRIVATE
PUBLIC
OVERALL
Legend
0 - 74.99
Did Not Meet Expectations
75 – 79. 49
Fairly Satisfactory
79.5 – 84.49
Satisfactory
84.5 – 89.49
Very Satisfactory
89.5 - 100
Outstanding
**
Highly significant
Significant
*
ns
Not significant
Transcribed Image Text:BEFORE AFTER МEAN VARIANCE OBSERVATIONS df F P(F<=f) one-tail F Critical one-tail CONCLUSION HS TYPE MEAN DE t_c P-VALUE PRIVATE PUBLIC OVERALL Legend 0 - 74.99 Did Not Meet Expectations 75 – 79. 49 Fairly Satisfactory 79.5 – 84.49 Satisfactory 84.5 – 89.49 Very Satisfactory 89.5 - 100 Outstanding ** Highly significant Significant * ns Not significant
1. The following data are Mathematics scores of students grouped according to type of high
school they come from (Private or Public). Is this an indication that the students' scores
in one group is significantly different from the other?
Private
Public
79
77
74
78
80
85
67
90
68
89
78
82
88
90
92
93
89
88
90
90
87
88
86
78
86
84
82
92
89
92
94
Transcribed Image Text:1. The following data are Mathematics scores of students grouped according to type of high school they come from (Private or Public). Is this an indication that the students' scores in one group is significantly different from the other? Private Public 79 77 74 78 80 85 67 90 68 89 78 82 88 90 92 93 89 88 90 90 87 88 86 78 86 84 82 92 89 92 94
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