Use paired data for this one. A coach came up with a new training method for sprinting. The before and after times are below. Test the claim that the mean differences are greater than 0(th means the times before were better before) person 1 person 2 person 3 person 4 person 5 person 6 person 7 person 8 person 9 before 13.5 14.6 11.7 12.9 11.8 14.1 13.5 14.1 16.1 after 14.7 12.5 15.6 10.9 12.7 13.6 12.9 15.1 16.3 C:Hd Ho:Ha HAHa t%3D (like -.258) P= (like .787) Pis (big/small) We (reject/fail to reject) Ho The data (supports/fails to support/rejects/fails to reject) the claim.

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Author:Amos Gilat
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Use paired data for this one.
A coach came up with a new training method for sprinting. The before and after times are below. Test the claim that the mean differences are greater than 0(this
means the times before were better before)
person 1
person 2
person 3
person 4
person 5
person 6
person 7
person 8
person 9
before
13.5
14.6
11.7
12.9
11.8
14.1
13.5
14.1
16.1
after
14.7
12.5
15.6
10.9
12.7
13.6
12.9
15.1
16.3
C:Hd
HAHa
t3=
(like -.258)
P=
(like .787)
Pis (big/small)
We (reject/fail to reject)
Ho
The data
(supports/fails to support/rejects/fails to reject) the claim.
Transcribed Image Text:Use paired data for this one. A coach came up with a new training method for sprinting. The before and after times are below. Test the claim that the mean differences are greater than 0(this means the times before were better before) person 1 person 2 person 3 person 4 person 5 person 6 person 7 person 8 person 9 before 13.5 14.6 11.7 12.9 11.8 14.1 13.5 14.1 16.1 after 14.7 12.5 15.6 10.9 12.7 13.6 12.9 15.1 16.3 C:Hd HAHa t3= (like -.258) P= (like .787) Pis (big/small) We (reject/fail to reject) Ho The data (supports/fails to support/rejects/fails to reject) the claim.
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