At 5% level of significance, could we confidently say that IEM students giving up smoking becomes heavier than IEC students who kicks the smoking habit? What is the appropriate alternative hypothesis? (Choose the capital letter corresponding to your answer) A. HIEC S HLEM

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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Chapter11: Data Analysis And Probability
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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
5
Before
119
142
151
118
135
After
121
145
151
122
139
IEM Students
Student
2
3
4
5
6
Before
120
142
153
114
132
138
After
125
142
156
115
135
142
At 5% level of significance, could we confidently say that IEM students giving up smoking becomes heavier than IEC students who kicks the smoking habit? What is the appropriate alternative
hypothesis? (Choose the capital letter corresponding to your answer)
A. HIEC < HIEM
В. ИТЕС > НТЕМ
C. HIEC # HIEM
D. HIEC = HIEM
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 1 3 4 5 Before 119 142 151 118 135 After 121 145 151 122 139 IEM Students Student 2 3 4 5 6 Before 120 142 153 114 132 138 After 125 142 156 115 135 142 At 5% level of significance, could we confidently say that IEM students giving up smoking becomes heavier than IEC students who kicks the smoking habit? What is the appropriate alternative hypothesis? (Choose the capital letter corresponding to your answer) A. HIEC < HIEM В. ИТЕС > НТЕМ C. HIEC # HIEM D. HIEC = HIEM
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