Unit 0 Vocab AP Bio

search for info & explanation, focused on specific questions

something you sense: taste, smell, hear, feel, see

scientific approach, combines analytical and bio

recorded observations

observations with senses

measured using instruments

derived generalizations based on large # of specific observations

specific results derived from general premises

hypothesis that disaproves

difference between 2 or more variable, anticipated by researchers

summerizes group of hypotheses

statement of fact, usually mathematical formula

group seperated from experiment

something that does not change throughout experiment

one factor that is changed by person doing experiment

factor which is measured in experiment

factor that could mislead

control group known to produce results

control group that doesn't yeild result

representive subset of a population

probability distribution symmetric to the mean

center of distrubution: mean, median, mode

average of data

middle number in range of data

value that appears most often in data

how spread out data is from mean

determine precision and confidence

how far data diverges from central tendency

differnece between largest and smallest