data analysis

Question 1

descriptive statistics

Answer 1

describe and summarize data; includes measures of central tendency

Question 2

inferential statistics

Answer 2

estimate how reliably data can be used to predict relationships; used to answer the research question and determine generalizability

Question 3

nominal (categorical)

Answer 3

categories or yes or no; labels

Question 4

ordinal

Answer 4

rank order, no absolute zero, no meaning
Ex: president, provost, dean, etc.

Question 5

interval

Answer 5

ranking on a scale with equal intervals between numbers, has meaning, no absolute zero

Question 6

ratio

Answer 6

ranking on a scale with equal intervals and absolute zero

Question 7

purpose of inferential statistics

Answer 7

estimate how well the sample reflects the population, test hypothesis, tell you about the relationship

Question 8

type 1 error

Answer 8

researcher rejects the null when it is actually true; false positive

Question 9

type 2 error

Answer 9

researcher accepts the null hypothesis when it is actually false; false negative