CNSL |503 |Module |1 | |exam |with |verified |
answers
Statistics |- |Encompasses |the |mathematical |field |that |allows |us |to |organize, |summarize, |describe, |and |
interpret |different |forms |of |information
Data |(datum) |- |Small |and |large |sets |of |information
What |are |statistics |important? |- |1) |allows |data |to |be |described |and |communicated |succinctly |and |
concisely |
2) |means |by |which |researchers |communicate |their |work |with |one |another |and |the |general |public, |
clear |and |understandable |
3) |allow |inferences |to |be |drawn |about |data, |particularly |when |it |is |not |feasible |to |collect |info |from |all
|members |of |a |certain |group |
4)equip |us |with |the |necessary |tools |needed |to |make |everyday |decisions
Variable |- |Measurable |characteristics |that |can |vary |in |value
Qualitative |variable |- |Non-numerical |terms, |using |labels |or |categories |(religion, |ethnicity, |eye |color, |
career)
Quantitative |variable |- |Measured |in |numerical |terms |(weight, |height, |hr |rate, |test |score)
Discrete |variable |- |quantitative |variable |that |is |organized |by |whole |numbers |(0,1,2,3...) |(number |of |
people, |children, |animals)
independent |variable |- |Variable |that |is |manipulated |in |an |experiment
Dependent |variable |- |The |variable |that |is |measured |for |any |observation |effect
