COB 191 Test 1 Questions And Answers 100% Correct

COB 191 Test 1 Questions And Answers
100% Correct

Data - ANSWER - collect, analyze, present, influence

- a value assigned to measurements



Primary Data - ANSWER - you collect it



ADV: collected and organized by user

DISADV: expensive and time consuming



Secondary Data - ANSWER - others collect it



ADV: accessible/ cheap

DISADV: no control / accuracy



Nominal - ANSWER Arbitrary Labels for data no ranking allowed, No ranking allowed



Qualitative



Nominal -think "name" or label



Ordinal - ANSWER Ranking exists, No measurable meaning to numerical differences



Qualitative

, Ordinal -think "order" of choices



Interval - ANSWER Meaningful differences. No true value for zero.



Quantitative



Interval -gives order of values AND the ability to quantify the difference between each
one



Ratio - ANSWER Meaningful differences. There exists a true value for zero



Quantitative



Ratio -the ultimate order ... interval values and the ability to calculate ratios since there
exists a true meaning for zero



Categorical - ANSWER defined categories

-car brand

-major

-eye color



Numerical - ANSWER counted (discrete) or measured (continuous) items

discrete

-# of children in a house

-# of credits a semester

continuous

-Distance from one point to another

-Time elapsed between start/finish