COM 408 ASU Exam 1 Questions Correctly Answered.
Sample - CORRECT ANSWER the subset of the population chosen by the investigator for study
Population - CORRECT ANSWER A comprehensive well defined group of elements
Researchers use ______ because it is oftentimes difficult to gather data f...
Sample - CORRECT ANSWER the subset of the population chosen by the investigator for study
Population - CORRECT ANSWER A comprehensive well defined group of elements
Researchers use ______ because it is oftentimes difficult to gather data from an entire population. -
CORRECT ANSWER samples
Descriptive Statistics - CORRECT ANSWER statistics that summarize the data collected in a study
Inferential Statistics - CORRECT ANSWER procedures used to draw conclusions about larger populations
from small samples of data
Independent Variable - CORRECT ANSWER a variable (often denoted by x ) whose variation does not
depend on that of another.
Dependent Variable - CORRECT ANSWER a variable (often denoted by y ) whose value depends on that
of another.
Nominal - CORRECT ANSWER -Weakest level
-Categorical, frequency, count data
-Cannot be rank ordered
-No sense of greater than or less than
-Identifies something but tells us nothing more
-Buckets
-Examples: favorite color, relationship status, political party, college major
-Mode only
, Ordinal - CORRECT ANSWER -2nd Strongest level
-Discrete
-Categories can be rank ordered
-Numbers only indicate a position in a sequence
-The distance between categories is unknown/uneven
-Examples: Rank ordered values, ranking of height or weight, runners in a race 1st,2nd,3rd
-Median or maybe Mode
Interval - CORRECT ANSWER -3rd Strongest level
-Continuous
-Equal distances between categories
-The zero point is arbitrary
-Zero does not mean none
-Examples: Fahrenheit Scale, Likert Type Scales
-Mean and Median can be used
Ratio - CORRECT ANSWER -Strongest level
-Continuous
-Organized categories with equal distance between
-Have a true zero point
-Examples: speed, time, height, weight, distance
-Mean and Median can be used
Research Question - CORRECT ANSWER The first methodological step in the process of science. A formal
statement of an unknown that one would like to understand.
Hypothesis - CORRECT ANSWER predicts a relationship or difference between variables
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