Unit 0 Vocab AP Bio
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1
search for info & explanation, focused on specific questions
inquiry
2
something you sense: taste, smell, hear, feel, see
observation
3
scientific approach, combines analytical and bio
analysis
4
recorded observations
data
5
observations with senses
qualitive data
6
measured using instruments
quantitative data
7
derived generalizations based on large # of specific observations
inductive reasoning
8
specific results derived from general premises
deductive reasoning
9
hypothesis that disaproves
null hypothesis
10
difference between 2 or more variable, anticipated by researchers
alternative hypothesis
11
summerizes group of hypotheses
theory
12
statement of fact, usually mathematical formula
scientific law
13
group seperated from experiment
control
14
something that does not change throughout experiment
constant
15
one factor that is changed by person doing experiment
independant variable
16
factor which is measured in experiment
dependant variable
17
factor that could mislead
bias
18
control group known to produce results
positive control
19
control group that doesn't yeild result
negative control
20
representive subset of a population
sample
21
probability distribution symmetric to the mean
normal distribution
22
center of distrubution: mean, median, mode
central tendencies
23
average of data
mean
24
middle number in range of data
median
25
value that appears most often in data
mode
26
how spread out data is from mean
standard deviation
27
determine precision and confidence
standard error
28
how far data diverges from central tendency
variability
29
differnece between largest and smallest
range
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