MATH-105:| MATH 105 CONTEMPORARY MATHEMATICS UNIT 1 TEST | ALL 46 QUESTIONS WITH 100% CORRECT ANSWERS| GRADED A+
matically off the mark in the same direction
Name: Score:
46 Multiple choice questions
Definition
systematically off the mark in the same direction
Discrete variable
Measurement error
Biased measurement
Strata1 of 46
Definition
those you can place into a category (qualitative)
Observational study
Categorical variable
Explanatory variable
Confounding variable2 of 46
Definition
The person who is asking the questions, biased
desire to please
strata
interval
categorical variable3 of 46 Definition
divide popul ation int o as many consecutiv e as you need, r andoml y choose a starting point in the
1st segment , then sampl e at that same point each segment
Case s tudy
Systematic sampl ing
Open ende d
Nominal4 of 46
Definition
peopl e who do not know what you are talking about
treatment
data
asking the uninf orme d
ordinal variabl e5 of 46
Definition
a list of units from which the sampl e is chosen ideal ly it includes the whol e popul ation
Strata
Sampl ing frame
Sampl e survey
Popul ation6 of 46 Definition
can be arranged subtr acted, divided
outcome/response variabl e
nominal
ratio
interval7 of 46
Definition
actual ly measur es what it claims to measur e
Strata
Treatment
Case-c ontrol study
Valid me asurement8 of 46
Definition
those who have a strong OPINION OR EMO TIONAL RESPONSE about the ques tions being
asked.
Nominal
Strata
Outcome/response variabl e
Volunteer response9 of 46 Definition
block design in which the same p articip ant are measur e repea tdly
Repeated me asure
Nominal
Outcome/response variabl e
Strata10 of 46
Definition
keep all ques tions simpl e
strata
nominal
singl e-blind
unnec essary compl exity11 of 46
Definition
ques tions can be deliberately worded to support a certain cause
measurement error
deliberate
stratified random sampl e
Statistics12 of 46
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