6) The head of the English department is interested in the difference in writing scores between freshman English students who are taught by different teachers. The incoming freshman are randomly assigned to one of the two English teachers and are given a standardized test after the fist semester. We take a sample of eight students from one class and nine from the other. Is there a difference in achievement on the writing test between the two classes? Here is the data from the two classes: 00. Class 1 35 51 66 42 37 46 60 55 53 Class 2 52 87 76 62 81 71 55 67

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Author:Amos Gilat
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6) The head of the English department is interested in the difference in writing scores between freshman English
students who are taught by different teachers. The incoming freshman are randomly assigned to one of the two
English teachers and are given a standardized test after the fist semester. We take a sample of eight students
from one class and nine from the other. Is there a difference in achievement on the writing test between the two
classes? Here is the data from the two classes:
UI
Class 1
35
51
66
42
37
46
60
55
53
Class 2
52
87
76
62
81
71
55
67
Transcribed Image Text:6) The head of the English department is interested in the difference in writing scores between freshman English students who are taught by different teachers. The incoming freshman are randomly assigned to one of the two English teachers and are given a standardized test after the fist semester. We take a sample of eight students from one class and nine from the other. Is there a difference in achievement on the writing test between the two classes? Here is the data from the two classes: UI Class 1 35 51 66 42 37 46 60 55 53 Class 2 52 87 76 62 81 71 55 67
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