Chapter 1 Notes

©2009 by S. Gramlich

Definitions and Experimental Design

! = Important Note

! These Notes are not meant to replace Reading. Read Chapter first.

1-1

Differentiate between Population and Sample?

Population represents ALL of what you intend to study

Sample represents a portion of the Population

1-2

Differentiate between Parameter and Statistic?

Parameter = # describing Population

Statistic = # describing Sample

Differentiate between Discrete and Continuous data?

Discrete = counts

Continuous = measurements

1-3

! Just read "percentages" section of 1-3

To convert a fraction to a %:

Divide the Numerator by the Denominator then move the decimal 2 places to the Right (add % symbol).