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What is Statistics?
Transcript of What is Statistics?
What Is Statistics?
"Statistics is the science of learning from data, and of measuring, controlling, and communicating uncertainty; and it thereby provides the navigation essential for controlling the course of scientific and societal advances."
"A collection of numerical information is called statistics"
USE EXISTING DATA
RUN A SURVEY
We generally draw a
is concerned with generalizing the information of the sample to the general population.
is concerned with summarizing the characteristics of the sample
The questions that we want to ask will impact the type of data that we collect
Do you accept or reject your hypothesis?
What conclusions do you draw?
Who is your audience?
What is your point?
WHAT IS IT FOR?
The Expansion of the Universe
Florence Nightingale's coxcomb plot
Davidian & Louis, Science 6 April 2012: Vol. 336 no. 6077 p. 12
Lind et al. (2012), Basic Statistics for Business and Economics, p. 3