Post on 12-May-2015
transcript
Introduction
INSTANT REPLAY: The recording and immediate playback of a part of a live television broadcast of a sporting event (used by officials).
ISSUE: Controversial calls continue to affect the outcome of sporting events.
Instant Replay JurisdictionNational Football League (NFL) Each team is allowed two instant replay reviews a
game (coach challenges). Challenges can be used on:
scoring playspass completionsout-of-bounds plays forward passed fumblesdown-by-contact plays forward progress plays touching of a kick and placement of the football.
Instant Replay JurisdictionMajor League Baseball (MLB) Reviews boundary home run calls to
determine:Fair (home run) or foul.Whether the ball actually left the playing
field.Whether the ball was subject to spectator
interference.
Instant Replay JurisdictionATP and WTA World Tour Tennis Review calls on balls in or out of the
playing surface.
National Hockey League (NHL) Review calls on controversial goals
scored.
National Basketball League (NBA) Review shots made before the buzzer.
Questions To Be Answered Is Instant Replay at an appropriate level
in sports? Does Instant Replay have a positive
impact on sports? Does Instant Replay ultimately make the
games more fair?
Questions To Be AnsweredConcerns: Does Instant Replay slow down the
pace of the game? Is it practical to implement Instant
Replay in Division II and III sports?
Additional Controversies
MLB: Detroit Tigers vs. Cleveland Indians
Galarraga Perfect Game lost on final call. Philadelphia Phillies vs. Florida Marlins
Gaby Sanchez walk off hit ruled foul. (WS) San Francisco Giants vs. Texas
RangersDouble play was ruled safe at first base.
Data Collection & PreparationCollection Methods Used Survey Monkey (Sample Size 40)
10 MC Scaled Response Questions.Used on Facebook as an event.
Interviews (Sample Size 20)
Target Audience Sports Fans/Followers
Descriptive Statistics
How many hours a week do you spend watching sports?
0 to 5 - 13
6 to 10 -14
11 to 15 - 4
16 to 20 - 6
20+ - 3
Descriptive Statistics
0 to 5 6 to 10 11 to 15 16 to 20 20+0
2
4
6
8
10
12
14
16
Hours of sports watched per week
Mode is 6 to 10 hours
Median is 6 to 10 hours
Mean is 9.1125
Descriptive Statistics Which sport do you
watch the most?
Baseball - 11
Basketball - 3
Football - 23
Hockey - 1
Soccer - 1
Tennis - 0
Other - 1 Baseball
Basketball
Football
Hockey
Soccer
Tennis
Other
0 5 10 15 20 25
Most Watched Sport
Probability
Probability of choosing someone from our data who watches football the most.P(E)=23/40=.575
Probability of choosing someone that does not watch football the most.Using the complement rule: P(E)=1-
P(E)=.425
Descriptive Statistics Have you ever
played sports at a competitive level?
Yes - 32
No - 8
80%
20%
Respondents who played a sport at a competitive level.
Yes No
Descriptive Statistics Instant replay has a
positive impact on sports.
Strongly Agree - 23
Somewhat Agree - 14
No Opinion - 2
Somewhat Disagree - 1
Strongly Disagree - 0 Strongly Agree
Somewhat Agree
No Opinion Somewhat Disagree
Strongly Disagree
0
5
10
15
20
25
Instant Replay: positive impact?
Descriptive Statistics Instant replay is at an
appropriate level in sports.
Strongly Agree - 5
Somewhat Agree - 24
No Opinion - 5
Somewhat Disagree - 5
Strongly Disagree - 1 Strongly Agree
Somewhat Agree
No Opinion Somewhat Disagree
Strongly Disagree
0
5
10
15
20
25
30
Appropriate Level
Descriptive Statistics Instant replay slows
down the pace of the game.
Strongly Agree - 11
Somewhat Agree - 15
No Opinion - 1
Somewhat Disagree - 11
Strongly Disagree - 2
Strongly
Agree28%
Somewhat Agree38%
No Opin-ion3%
Somewhat Dis-
agree28%
Strongly Disagree5%
Pace of the game: slower?
Descriptive Statistics It is practical to
implement instant replay in Division 2 and 3.
Strongly Agree - 5
Somewhat Agree - 12
No Opinion - 7
Somewhat Disagree - 7
Strongly Disagree - 9 Strongly Agree
Somewhat Agree
No Opinion Somewhat Disagree
Strongly Disagree
0
2
4
6
8
10
12
14
Instant Replay: Used in Di-vision 2 and 3 sports?
Descriptive Statistics Instant replay corrects
official/referee decisions.
Strongly Agree - 25
Somewhat Agree - 13
No Opinion - 1
Somewhat Disagree - 1
Strongly Disagree - 0
Strongly Agree
Somewhat Agree
No Opinion Somewhat Disagree
Strongly Disagree
0
5
10
15
20
25
30
Corrects official de-cisions?
Descriptive Statistics Instant replay
ultimately makes the games being played more fair.
Strongly Agree - 19
Somewhat Agree - 17
No Opinion - 2
Somewhat Disagree - 2
Strongly Disagree - 0
Strongly Agree48%Some
what Agree43%
No Opinion
5%Somewhat Disagree
5%
Makes games more fair?
Descriptive Statistics
0 0.2 0.4 0.6 0.8 1 1.2
-1.5
-1
-0.5
0
0.5
1
1.5
f(x) = 0.5 x + 0.125
Linear Regression Scatter Plot
Y
Predicted Y
Linear (Predicted Y)
X Variable 1
Y
Conclusion and Recommendations The average (mean) for hours of sports
watched per week was 9.1125 75% of the sample played sports at a
competitive level at some point in their lives.
37 of the 40 people surveyed agreed that instant replay has a positive impact on sports.
65% also agreed that usage of instant replay slows down the game.
Conclusions and Recommendations 29 of the 40 people sampled agreed that
instant replay is at an appropriate level at this time.
23 of 40 feel that it is not practical to implement instant replay in Division II and Division III sports.
95% of the sample agreed that instant replay corrects mistakes made by officials.
90% of the people surveyed agreed that instant replay makes the gameplay more fair.
Conclusions and Recommendations Given the data collected, we determined
that instant replay should be implemented across all professional sports.
For the sports in which instant replay is already utilized, it should be refined and used to a further degree.
As a group, we collectively believe in the usage of instant replay for professional and college sports.