The weights of some IEM students and IEC students (two kinds of IE students) before they stopped smoking and five weeks after they stopped smoking are as follows: (Data are obtained from NON-NORMAL populations!) IEC Students Student 1 3 4 Before 119 142 151 118 135 After 121 145 151 122 139 IEM Students Student 1 2 3 4 6 Before 120 142 153 114 132 138 After 125 142 156 115 135 142 Based on the sample gathered, is it safe to assume that the median weight of smoking IE students is at least 140? What statistical test should be used? O Sign Test O Signed Rank Test O Rank Sum Test O Kruskal Wallis Test O Runs Test
The weights of some IEM students and IEC students (two kinds of IE students) before they stopped smoking and five weeks after they stopped smoking are as follows: (Data are obtained from NON-NORMAL populations!) IEC Students Student 1 3 4 Before 119 142 151 118 135 After 121 145 151 122 139 IEM Students Student 1 2 3 4 6 Before 120 142 153 114 132 138 After 125 142 156 115 135 142 Based on the sample gathered, is it safe to assume that the median weight of smoking IE students is at least 140? What statistical test should be used? O Sign Test O Signed Rank Test O Rank Sum Test O Kruskal Wallis Test O Runs Test
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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Transcribed Image Text:The weights of some IEM students and IEC students (two kinds of IE students) before they stopped smoking and five weeks after they stopped smoking are as
follows: (Data are obtained from NON-NORMAL populations!)
IEC Students
Student
2
3
4
Before
119
142
151
118
135
After
121
145
151
122
139
IEM Students
Student
3
4
5
6
Before
120
142
153
114
132
138
After
125
142
156
115
135
142
Based on the sample gathered, is it safe to assume that the median weight of :
oking IE students is at least 140? What statistical test should be used?
O Sign Test
O Signed Rank Test
Rank Sum Test
O Kruskal Wallis Test
O Runs Test
NI
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