Wiley Statistical Analysis with Excel For Dummies, 2nd Edition 978-0-470-45406-0 ユーザーズマニュアル
製品コード
978-0-470-45406-0
Chapter 1
Evaluating Data in the Real World
In This Chapter
▶
Introducing statistical concepts
▶
Generalizing from samples to populations
▶
Getting into probability
▶
Making decisions
▶
New features in Excel 2007
▶
Understanding important Excel Fundamentals
▶
New features in this edition
T
he field of statistics is all about decision-making — decision-making
based on groups of numbers. Statisticians constantly ask questions:
based on groups of numbers. Statisticians constantly ask questions:
What do the numbers tell us? What are the trends? What predictions can we
make? What conclusions can we draw?
make? What conclusions can we draw?
To answer these questions, statisticians have developed an impressive array
of analytical tools. These tools help us to make sense of the mountains of
data that are out there waiting for us to delve into, and to understand the
numbers we generate in the course of our own work.
of analytical tools. These tools help us to make sense of the mountains of
data that are out there waiting for us to delve into, and to understand the
numbers we generate in the course of our own work.
The Statistical (And Related) Notions
You Just Have to Know
Because intensive calculation is often part and parcel of the statistician’s
toolset, many people have the misconception that statistics is about number
crunching. Number crunching is just one small part of the path to sound deci-
sions, however.
toolset, many people have the misconception that statistics is about number
crunching. Number crunching is just one small part of the path to sound deci-
sions, however.
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