SlideShare a Scribd company logo
1 of 29
STATISTICS IN THE
REAL WORLD
Raquel Lizarraga
ISLA International Surf
Lifesaving Association
WHO WE ARE
ISLA exists to advance professional lifesaving development to areas in need
around the globe.
WHO WE ARE
WHO WE ARE
We are water
people
We are
lifeguards
We are
globetrotters
We are
activists
We are ISLA
WHY
2 people
drown every
minute
WHY
50% of
Americans
cannot swim
WHY
Drowning is
the 3rd leading
cause of Death
Worldwide
WHY
Drowning is
Preventable
WHAT WE DO
We share
information,
techniques, stories,
culture.
WHAT WE DOWe share information, techniques, stories, and culture.
Lifeguard Training
Programs
Lifeguard
Exchanges
Junior Lifeguard
Camps
Equipment Donations Scholarships
WHAT WE DO
Saved over 2,000
lives
Offered 14
Lifeguard Training
Courses
Certified 124
Lifeguards
Donated over
$22,000
NICARAGUA
2008
•64
2009
•47
2010
•41
2011
•26
2012
•21
Drownings during Semana
Santa
WHERE
WE’VE BEEN
 Chile
 Costa Rica
 Ecuador
 Dominican Republic
 Macedonia
 Mexico
 New Zealand
 Nicaragua
 Peru
 United States
WHAT I DO
HOW WE USE
STATISTICS
Website
STATISTICS IN THE REAL
WORLD
Mean
Median
Mode
Variance
Standard Deviation
Coefficient of
Variation
MEAN
The
Average
MEDIAN
The ‘Middle
Value’
MODE
The number
that occurs the
most
VARIANCE
Measures how far a set of numbers is spread out
Small = Close to Mean
High = Spread out from Mean
STANDARD DEVIATION
Shows how much Variation from the average exists
Low = Close
High = Spread Out
COEFFICIENT OF VARIATION
Standard
Deviation divided
by the Mean
HOW WE USE
STATISTICS
Social Media
SOCIAL MEDIA : WHO HAS IT
SOCIAL MEDIA : STATISTICS
Facebook
• 727 million active users every day
• 81% are outside the U.S. and Canada
• ? billion active users every month
Twitter
• 77% of users are outside the U.S.
• 241 million active users every month
• ? tweets per day
STATISTICS IN THE REAL
WORLD
STATISTICS IN THE REAL
WORLD
RAQUEL LIZARRAGA
www.Cerritos.edu/technol
ogy
www.islasurf.org

More Related Content

Similar to Statistics In The Real World - LI

CF Sea Turtle Conservation Program 2015-16
CF Sea Turtle Conservation Program 2015-16CF Sea Turtle Conservation Program 2015-16
CF Sea Turtle Conservation Program 2015-16Rob James
 
Action against hunger
Action against hungerAction against hunger
Action against hungercarloscpineda
 
24752 D Rufford photo journal 2018-2019
24752 D Rufford photo journal 2018-2019 24752 D Rufford photo journal 2018-2019
24752 D Rufford photo journal 2018-2019 StephanieRousso1
 
Josh the Otter Literacy and Water Safety Project
Josh the Otter Literacy and Water Safety Project Josh the Otter Literacy and Water Safety Project
Josh the Otter Literacy and Water Safety Project Rotary International
 
Secrets of Water.pdf
Secrets of Water.pdfSecrets of Water.pdf
Secrets of Water.pdfRise TV
 
Charity water
Charity waterCharity water
Charity waterJohn Ting
 
Charity water
Charity waterCharity water
Charity waterJohn Ting
 
Charity water
Charity waterCharity water
Charity waterJohn Ting
 
May I Have A Glass of Water, Please?
May I Have A Glass of Water, Please?May I Have A Glass of Water, Please?
May I Have A Glass of Water, Please?Aama Projects
 
MPLAnnualReportBrochure052314(1)
MPLAnnualReportBrochure052314(1)MPLAnnualReportBrochure052314(1)
MPLAnnualReportBrochure052314(1)Megan Groves
 
Rotary International Ppt Presentation
Rotary International  Ppt PresentationRotary International  Ppt Presentation
Rotary International Ppt Presentationgaffed
 

Similar to Statistics In The Real World - LI (13)

CF Sea Turtle Conservation Program 2015-16
CF Sea Turtle Conservation Program 2015-16CF Sea Turtle Conservation Program 2015-16
CF Sea Turtle Conservation Program 2015-16
 
Action against hunger
Action against hungerAction against hunger
Action against hunger
 
24752 D Rufford photo journal 2018-2019
24752 D Rufford photo journal 2018-2019 24752 D Rufford photo journal 2018-2019
24752 D Rufford photo journal 2018-2019
 
NA_Annual_Report_2013
NA_Annual_Report_2013NA_Annual_Report_2013
NA_Annual_Report_2013
 
Josh the Otter Literacy and Water Safety Project
Josh the Otter Literacy and Water Safety Project Josh the Otter Literacy and Water Safety Project
Josh the Otter Literacy and Water Safety Project
 
Secrets of Water.pdf
Secrets of Water.pdfSecrets of Water.pdf
Secrets of Water.pdf
 
Charity water
Charity waterCharity water
Charity water
 
Charity water
Charity waterCharity water
Charity water
 
Charity water
Charity waterCharity water
Charity water
 
OC3
OC3OC3
OC3
 
May I Have A Glass of Water, Please?
May I Have A Glass of Water, Please?May I Have A Glass of Water, Please?
May I Have A Glass of Water, Please?
 
MPLAnnualReportBrochure052314(1)
MPLAnnualReportBrochure052314(1)MPLAnnualReportBrochure052314(1)
MPLAnnualReportBrochure052314(1)
 
Rotary International Ppt Presentation
Rotary International  Ppt PresentationRotary International  Ppt Presentation
Rotary International Ppt Presentation
 

Statistics In The Real World - LI