ANSWERS
categorical (qualitative) data correct answer consists of names or labels that are
not numbers
Census correct answer The collection of data from every member of the
population
Cluster sampling correct answer A method for selecting a random sample and
dividing the population into groups (clusters)
Confounding correct answer (non-sampling error) Multiple factors which
contribute to a particular outcome
Continuous quantitative data correct answer the outcomes are measured -
decimals
Convenience sampling correct answer This type of sampling does not allow the
researcher to have any control over the representativeness of the sample
Correlation/Causality correct answer (non-sampling error) If we identify a
correlation between two variables, it is not necessarily the case that one causes
the other
Data correct answer A set of observation
, Dependent correct answer Outcome variable
Descriptive statistics correct answer numerical data used to measure and
describe characteristics of groups. Includes measures of central tendency and
measures of variation.
Dichotomous correct answer A variable with exactly two possible responses
Discrete quantitative data correct answer the outcomes can be counted - whole
numbers
Independent correct answer Experimental or predictor variable
Inferential statistics correct answer numerical data that allow one to generalize-
to infer from sample data the probability of something being true of a population
Interval correct answer Like the ordinal level. Additional property that the
differences between any two data values is meaningful. Data at this level do not
have a natural zero starting point.
Misleading use of data correct answer (non-sampling error) Incorrect graphs,
incomplete data, or lack of context.
Nominal correct answer Characterized by data that consist of names, labels, or
categories only