Bio Lab exam #1 Flashcards
Independent variable
What your changing
Dependent variable
what your measuring
Positive correlation
when both the independent and dependent variables increase or decrease in the same direction
Negative correlation
when the independent and dependent variables increase or decrease in the opposite direction
Discrete variables
descriptions, qualitative data (blonde, tall, long)
Continuous variables
numbers, quantitative data (distance, height, weight)
-Independent variables are discrete
-few data points
-multiple dependent variables
What method of presentation?
Table
-Independent and dependent variables are continuous
-Three or more data points
-One or two dependent variables
-Variables have a direct correlation
What method of presentation?
Line graph
-Independent and dependent variables are continuous
-Three or more data points
-Line will be a regression line
What method of presentation?
Scatter Plot
-Independent variable is discreet
-Three or more categories of independent variables
-One dependent variable that is continuous
What method of presentation?
Bar graph
Centi- (c)
10^2
Milli- (m)
10^3
Micro- (u)
10^6
Nano- (n)
10^9
Kilo- (k)
10^-3
