Let ua be the hypothesized mean of the differences in the pass completion percentages (freshman - sophomore). Then d is the sample mean of the differences. What are H, and H, ? OA Ho: Ho so B. Ho: Ha =0 C. Ho: Hg20 Ha: Hy>0 Hg: Hg #0 OE Ho: Ho #0 H Hg =0 OF H Hsd Hai Ho sd (b) Calculated and s

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(sophomore)
67.8 56.6 63.4| 59.7 63.2| 58.763.1
Hai Hd>0
OD. Ho: Hd2d
Ha: H #0
OE Ho Ha#0
0> Prt :°H
OF Ho: Ho sd
Ha: Hd <d
Ha H=0
(b) Calculate d and s-
Ha Hg>d
Calculate d.
d= (Round to three decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
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Transcribed Image Text:(sophomore) 67.8 56.6 63.4| 59.7 63.2| 58.763.1 Hai Hd>0 OD. Ho: Hd2d Ha: H #0 OE Ho Ha#0 0> Prt :°H OF Ho: Ho sd Ha: Hd <d Ha H=0 (b) Calculate d and s- Ha Hg>d Calculate d. d= (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. 4 parts remaining Clear All Type here to search a up 144 ta 1s 米 12 esc 8 9 % 23 3 $4 4 T Y
The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At a = 0.01, is there enough evidence to support the claim that the pass
completion percentages have changed? Complete parts (a) through (e) below.
Player
Completion percentage
|(freshman)
Completion percentage
(sophomore)
Question Help ▼
1
2
3
4
5
6
7.
9
8
10 o
68.1 61.6 57.9 59.0 64.7 51.0 58.0 63.8 56.5 57.8
67.8 56.6 63.4 59.7 63.2 58.7 63.1 62.8 57.8 59.1
Let Ha be the hypothesized mean of the differences in the pass completion percentages (freshman - sophomore). Then d is the sample mean of the differences. What are H, and H, ?
OA Ho: Hos0
B. Ho: Ha = 0
C. Ho: Hg20
Hai Hy>0
Ha: Hg #0
Hgi Hy <O
OD. Ho: Hd²d
Hai Hy <d
O E. Ho: Ha #0
OF Ho: Hg sd
Ha: Ho = 0
(b) Calculate d and s
Enter your answer in the answer box and then click Check Answer.
Check Answer
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K
Transcribed Image Text:The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At a = 0.01, is there enough evidence to support the claim that the pass completion percentages have changed? Complete parts (a) through (e) below. Player Completion percentage |(freshman) Completion percentage (sophomore) Question Help ▼ 1 2 3 4 5 6 7. 9 8 10 o 68.1 61.6 57.9 59.0 64.7 51.0 58.0 63.8 56.5 57.8 67.8 56.6 63.4 59.7 63.2 58.7 63.1 62.8 57.8 59.1 Let Ha be the hypothesized mean of the differences in the pass completion percentages (freshman - sophomore). Then d is the sample mean of the differences. What are H, and H, ? OA Ho: Hos0 B. Ho: Ha = 0 C. Ho: Hg20 Hai Hy>0 Ha: Hg #0 Hgi Hy <O OD. Ho: Hd²d Hai Hy <d O E. Ho: Ha #0 OF Ho: Hg sd Ha: Ho = 0 (b) Calculate d and s Enter your answer in the answer box and then click Check Answer. Check Answer parts remaining Clear All 135 AM a (? ^ 5/5/2021 P Type here to search insert prt sc IO backspace esc & 8. 2$ 4 6 %23 3 Y R tab -> K
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