Stats vocabulary

Question 1

50% data below 50% above

Answer 1

median

Question 2

treatments, can have control, can show cause and effect
data collection

Answer 2

experimental study

Question 3

a collection of stuff

Answer 3

data

Question 4

look right now, ask
observation

Answer 4

cross section

Question 5

Subject does not know treatment to prevent bias (placebo)
Improve experiment

Answer 5

blinding

Question 6

repeat over and over
Improve experiment

Answer 6

Replicate

Question 7

fake treatment, need to fail to show real treatment works
Improve experiment

Answer 7

Placebo

Question 8

mode is best if?

Answer 8

a outcome is very common

Question 9

average distance from mean
data

Answer 9

standard deviation

Question 10

relationship between the problems

Answer 10

correlation

Question 11

in order spacing (no true zero)
level of measure

Answer 11

interval

Question 12

to the left low value
shape of data

Answer 12

left skewed

Question 13

order but no spacing
Level of measure

Answer 13

ordinal

Question 14

look in future, wait and see
observation

Answer 14

prospective

Question 15

less than 30

Answer 15

small sample

Question 16

data collector cares about outcome
intro bias

Answer 16

bad source

Question 17

what to expect

Answer 17

measures of center

Question 18

wrong # of people
intro bias

Answer 18

under coverage

Question 19

really far away from the rest of the data

Answer 19

outlier

Question 20

how many/ how much

Answer 20

quantitive

Question 21

high value data
shape of value

Answer 21

right skewed

Question 22

no rational reason behind
Level of measure

Answer 22

imposed

Question 23

many ask but few respond
intro bias

Answer 23

non-response

Question 24

choose every nth
non srs

Answer 24

systematic

Question 25

all of something

Answer 25

population

Question 26

standard dev squared- s^2, σ^2

Answer 26

variance

Question 27

break into groups and choose all of some non srs

Answer 27

cluster

Question 28

average of the data

Answer 28

mean

Question 29

split into smaller groups and add some control, smaller experiments, some bias Improve experiment

Answer 29

block

Question 30

ask but do not measure

Answer 30

reported results

Question 31

a group is left out (using tcu students as rep of Texas) intro bias

Answer 31

missing data

Question 32

lots of things

Answer 32

confounding

Question 33

just looking, always having lurking variables, always have confounding things (lots of things) data collection

Answer 33

observational study

Question 34

asked wrong group intro bias

Answer 34

bad frame

Question 35

no space (4, 4.1, 4.2)

Answer 35

continuos

Question 36

most common outcome

Answer 36

mode

Question 37

no true order Level of measure

Answer 37

nominal

Question 38

break into groups and choose some of all non srs

Answer 38

stratified

Question 39

look in the past, look it up observation

Answer 39

retrospective

Question 40

25 % above, 75 % below, or 75% above 25% below data

Answer 40

quartiles

Question 41

numbers tell us what it is

Answer 41

qualitive

Question 42

a lot with values in the middle shape of data

Answer 42

uniform

Question 43

Q3-Q1

Answer 43

IQR

Question 44

some

Answer 44

sample

Question 45

even uncontrolled variables Improve experiment

Answer 45

randomize

Question 46

subject and data recorder do not know treatments Improve experiment

Answer 46

Double blinding

Question 47

do you want a high paying job or a fun job? (likely choose first) Do you wanna be punched or kicked? (likely choose 2nd)

Answer 47

order of questions

Question 48

easy to get non-srs

Answer 48

convenience

Question 49

mean is best if?

Answer 49

there are no outliers

Question 50

have breaks (1, 2, 3)

Answer 50

discrete

Question 51

lurking variables made the same to avoid confounding Improve experiment

Answer 51

Control

Question 52

Maximum- minimum data

Answer 52

Range

Question 53

median is best if?

Answer 53

there are outliers

Question 54

data is given without being asked intro bias

Answer 54

voluntary response

Question 55

ask but only one right answer

Answer 55

loaded question

Question 56

big deal

Answer 56

practically

Question 57

in order with spacing level of measure

Answer 57

ratio

Question 58

every individual is likely to be selected

Answer 58

Simple random sample (SRS)

Question 59

same on the left as is on the right shape of data

Answer 59

symmetric

Question 60

rare

Answer 60

statistically