Find T - standardized test statistic

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Find T - standardized test statistic.
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.
1
2 3 4 5 6 7 8 9 10
68.5 62.7 56.3 61.0 62.8 52.0 56.0 62.5 53.9 57.3
Player
Completion percentage
(freshman)
Completion percentage
(sophomore)
U ra
Ha: H<d
68.3 56.7 62.5 62.5 61.1 59.6 61.3 61.5 55.8 58.6
(b) Calculated and s
Calculate d.
d=-1.490 (Round to three decimal places as needed.)
Calculate S-
$4.077 (Round to three decimal places as needed.)
(c) Find the standardized test statistic t
t = (Round to two decimal places as needed.)
H₂ Hd #0
P
UU
H₂H
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. 1 2 3 4 5 6 7 8 9 10 68.5 62.7 56.3 61.0 62.8 52.0 56.0 62.5 53.9 57.3 Player Completion percentage (freshman) Completion percentage (sophomore) U ra Ha: H<d 68.3 56.7 62.5 62.5 61.1 59.6 61.3 61.5 55.8 58.6 (b) Calculated and s Calculate d. d=-1.490 (Round to three decimal places as needed.) Calculate S- $4.077 (Round to three decimal places as needed.) (c) Find the standardized test statistic t t = (Round to two decimal places as needed.) H₂ Hd #0 P UU H₂H
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