Teachers are being trained to standardize the scores they give to students' essays. The same essay was scored by 10 different teachers at the beginning and at the end of their training. The results are shown in the tables. Scores for Essay at Beginning of Teachers' Training 81 68 78 94 68 85 16 Scores for Essay at End of Teachers' Training 81 83 77 85 81 81 79 83 Calculate the MADS for the teachers' scores. Did the teachers make progress in standardizing their scores? (select) the MAD before the training was and the MAD at the end of the training is so (select) was made toward standardizing test scores.
Teachers are being trained to standardize the scores they give to students' essays. The same essay was scored by 10 different teachers at the beginning and at the end of their training. The results are shown in the tables. Scores for Essay at Beginning of Teachers' Training 81 68 78 94 68 85 16 Scores for Essay at End of Teachers' Training 81 83 77 85 81 81 79 83 Calculate the MADS for the teachers' scores. Did the teachers make progress in standardizing their scores? (select) the MAD before the training was and the MAD at the end of the training is so (select) was made toward standardizing test scores.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Transcribed Image Text:Teachers are being trained to standardize the scores they give to students' essays.
The same essay was scored by 10 different teachers at the beginning and at the end
of their training. The results are shown in the tables.
Scores for Essay at Beginning of Teachers' Training
81
68
78
94
68
85
91
76
Scores for Essay at End of Teachers' Training
81
83 80 77
85 81
81
83
Calculate the MADS for the teachers' scores. Did the teachers make progress in
standardizing their scores?
(select)
the MAD before the training was
and the MAD at the end
of the training is
so (select)
was made toward standardizing
test scores.
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