Does the location of your seat in a classroom play a role in attendance or grade? 1600 students in a physics course were randomly assigned to one of four groups. The 400 students in group 1 sat 0 to 4 meters from the front e the class, the 400 students in group 2 sat 4 to 6.5 meters from the front, the 400 students in group 3 sat 6.5 to 9 meters from the front, and the 400 students in group 4 sat 9 to 12 meters from the front. Complete parts (a) throu (c). E Click the icon to view the chi-square table of critical values. (a) For the first half of the semester, the attendance for the whole class averaged 76%. So, if there is no effect due to seat location, we would expect 76% of students in each group to attend. The data show the attendance hist for each group. How many students in each group attended, on average? Is there a significant difference among the groups in attendance patterns? Group Attendance 2 0.75 0.75 3 4. 0.77 0.77 The number of students who attended in the first group was The number of students who attended in the second group was The number of students who attended in the third group was The number of students who attended in the fourth group was

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Does the location of your seat in a classroom play a role in attendance or grade? 1600 students in a physics course were randomly assigned to one of four groups. The 400 students in group 1 sat 0 to 4 meters from the front of
the class, the 400 students in group 2 sat 4 to 6.5 meters from the front, the 400 students in group 3 sat 6.5 to 9 meters from the front, and the 400 students in group 4 sat 9 to 12 meters from the front. Complete parts (a) through
().
E Click the icon to view the chi-square table of critical values.
(a) For the first half of the semester, the attendance for the whole class averaged 76%. So, if there is no effect due to seat location, we would expect 76% of students in each group to attend. The data show the attendance history
for each group. How many students in each group attended, on average? Is there a significant difference among the groups in attendance patterns?
Group
Attendance
1
2
3
4
0.77
0.77
0.75
0.75
The number of students who attended in the first group was
The number of students who attended in the second group was
The number of students who attended in the third group was
The number of students who attended in the fourth group was
Transcribed Image Text:Does the location of your seat in a classroom play a role in attendance or grade? 1600 students in a physics course were randomly assigned to one of four groups. The 400 students in group 1 sat 0 to 4 meters from the front of the class, the 400 students in group 2 sat 4 to 6.5 meters from the front, the 400 students in group 3 sat 6.5 to 9 meters from the front, and the 400 students in group 4 sat 9 to 12 meters from the front. Complete parts (a) through (). E Click the icon to view the chi-square table of critical values. (a) For the first half of the semester, the attendance for the whole class averaged 76%. So, if there is no effect due to seat location, we would expect 76% of students in each group to attend. The data show the attendance history for each group. How many students in each group attended, on average? Is there a significant difference among the groups in attendance patterns? Group Attendance 1 2 3 4 0.77 0.77 0.75 0.75 The number of students who attended in the first group was The number of students who attended in the second group was The number of students who attended in the third group was The number of students who attended in the fourth group was
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