Stats quiz 1

obtaining numerical measurements

organization of data into tables, graphs or charts so that logical and statistical conclusions can be manifested

extracting from the given data relevant information

drawing conclusions

step 1 of statistical analysis

step 2 of statistical analysis

step 3 of statistical analysis

step 4 of statistical analysis

step 5 of statistical analysis

step 6 of statistical analysis

first introduced the word "statistics"

gambler who wrote the first known study of the principles of probability

dicovered the equation for normal distribution

applied the theory of probabilty to anthropological measurements and expanded the same principle o the field of psychology and education

father of modern stats

developed the use of percentiles and contributed the application of stats to heredity

worked with Galton to develop the theory of regression and correlation

develop methods for decision-making derived from smaller sets of data

developed Fisher's test used in the analysis of variance

a single figure that is representative of the general level of magnitudes of the items in a set of data

arithmetic average of all the scores

most frequent score

central value that divides the ordered data samples into 2

describes distance of the score from the median

distance from the middle

how far above or below from the mean

same as standard but square root is not taken

distance between the highes and lowest

to describe group characteristics by collection of summarizing data

to describe a population by studying a random sample

should come from a population with normal distribution

does not require any assumption 

person-to-person method

written responses

enforced by law

observe behavior

subjects cannot talk or write

determine cause and effect

effect, criterion, result

cause, predictor, determinant or correlate, contolling

variable being analyze

var which is increase, reduced, added or removed

constant var