2-3

Question 0

the listing and summarizing of data on a practical, efficient way

Answer 0

descriptive statistics

Question 1

the branch of mathematics concerned with summarizing and making meaningful inferences from collections of data

Answer 1

statistics

Question 2

an arrangment of data that indicates how often a particular score or observation occurs

Answer 2

frequency distribution

Question 3

a graph of frequency distribution shaped like a symmetrical bell shaped curve, a graph of normally distributed data

Answer 3

normal curve

Question 4

a number that describes something about the average score of a distribution

Answer 4

central tendency

Question 5

a measure of difference or spread of data

Answer 5

variability

Question 6

a measure of variability that describes an average distance of every score from mean to mean

Answer 6

standard deviation

Question 7

describe the direction and strength of the relationship between two sets of variability

Answer 7

correlation coefficant

Question 8

numerical methods used to determine whether research data support a hypothesis or whether result were due to chance

Answer 8

inferential statistics