Statistics Test 1

Front 1

statistics

Back 1

the science of conducting studies to collect, organize, summarize

Front 2

cluster sample

Back 2

population is divided into groups such as geographic area, schools, select some of the groups and use all of the members in the group

Front 3

data

Back 3

values (measurements or observations) that the variables can assume

Front 4

data set

Back 4

collection of data values

Front 5

descriptive statistics

Back 5

describe the situation, consists of the collection, organization, summarization, and presentation of data

Front 6

experimental study

Back 6

the researcher manipulates one of the variables and tries to determine how the manipulation influences other variables

Front 7

inferential statistics

Back 7

consists of generalizing from samples to population, performing estimation and hypothesis tests, determining relationships among variables and making predictions

Front 8

interval level of measurement

Back 8

ranks data, and precise differences between units of measure do exist, no true zero; SAT score

Front 9

nominal

Back 9

classifies data into mutually exclusive categories in which no order or ranking can be imposed on the data; gender, eye color

Front 10

observational study

Back 10

the researcher merely observes what is happening or what has happened in the past and tries to draw conclusions based on these observations

Front 11

ordinal

Back 11

classifies data into categories that can be ranked, precise differences between the ranks do not existl; A,B,C, judging, rating scale