A study performed by a Columbia University professor (described in Report on Business, August 1991) counted the number of times per minute professors from three different departments said ”uh” or “ah” during lectures to fill gaps between words. The data d

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xr14-15.xls

Sheet1

English Mathematics Political Science
4 1 5
9 8 4
8 4 9
7 6 5
4 7 5
4 8 5
8 5 6
7 4 4
9 4 5
0 5 5
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4 2 0
7 6 6
8 6 7
4 6 4
4 3 3
7 5 3
5 5 6
0 4 7
3 4 4
3 4 5
1 9 1
3 8 8
3 5 9
4 8 5
7 7 9
10 1 4
8 6 7
7 7 0
5 3 9
1 5 5
5 5 6
3 7 4
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10 5 6
5 3 5
8 8 5
4 5 3
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5 6 4
9 5 3
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7 4 3
3 5 5
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10 7 8
4 6 8
8 5 6
11 5 7
5 4 3
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4 8 3
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8 7 4
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7 3 3
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5 2 8
4 5 4
10 5 7
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4 7 2
4 4 7
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7 9 6
10 6 4
7 5 8
2 9 2
5 2 6
5 8 6
5 7 5
8 4 5
8 3 3
10 6 4
5 4 2
9 5 6
1 5 7
7 7 4
8 4 5
5 6 8
7 1 5
7 3 4
9 7 8
8 6 6
5 6 8
8 5 7
1 6 6
5 5 5
7 5 7
7 8 5
2 5 8
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Sheet3