Quantitative Literacy
EXAM 2 QUESTIONS AND
VERIFIED CORRECT
ANSWERS GRADED A+
LATEST 1005 GUARANTEED
PASS
Polulation - CORRECT ANSWER-The total set of subjects in which we are interested
Sample - CORRECT ANSWER-A subset of the population for whom we have data
Subject - CORRECT ANSWER-Entities that we measure in a study (also known as Individuals)
Variable - CORRECT ANSWER-A characteristic of an individual
Parameter - CORRECT ANSWER-A numerical value summarizing the population
Statistic - CORRECT ANSWER-A numerical value summarizing the sample data
Representative Sample - CORRECT ANSWER-Samples that reflect the demographics of
the population
Non-Representative Sample - CORRECT ANSWER-Samples that do not reflect the demographics
of the population
, Simple Random Sample - CORRECT ANSWER-A sample where every subject has an equal chance
of being selected
Voluntary Sample - CORRECT ANSWER-A write-in or call-in response to a question
Convenience Sample - CORRECT ANSWER-selecting subjects based on ease of attainment
a count or frequency - CORRECT ANSWER-number of times this response variable falls into the
range is called
Histogram - CORRECT ANSWER-most common graph of this frequency
Class - CORRECT ANSWER-width of each bar
outlier - CORRECT ANSWER-graph of data is an individual observation that falls outside the
overall pattern of the graph
3 Things You Describe with a Historgram - CORRECT ANSWER-Shape, Center, Spread
Symmetric Distribution - CORRECT ANSWER-right and left sides of the histogram are
approximately mirror images of each other
Stemplot - CORRECT ANSWER-For small data set this is quicker to make and presents more
detailed information
What are the two formulas for linear models? Which one should be used more? - CORRECT
ANSWER-Recursive: Pn=Pn-1+d
Explicit (common): Pn=Po+dn
EXAM 2 QUESTIONS AND
VERIFIED CORRECT
ANSWERS GRADED A+
LATEST 1005 GUARANTEED
PASS
Polulation - CORRECT ANSWER-The total set of subjects in which we are interested
Sample - CORRECT ANSWER-A subset of the population for whom we have data
Subject - CORRECT ANSWER-Entities that we measure in a study (also known as Individuals)
Variable - CORRECT ANSWER-A characteristic of an individual
Parameter - CORRECT ANSWER-A numerical value summarizing the population
Statistic - CORRECT ANSWER-A numerical value summarizing the sample data
Representative Sample - CORRECT ANSWER-Samples that reflect the demographics of
the population
Non-Representative Sample - CORRECT ANSWER-Samples that do not reflect the demographics
of the population
, Simple Random Sample - CORRECT ANSWER-A sample where every subject has an equal chance
of being selected
Voluntary Sample - CORRECT ANSWER-A write-in or call-in response to a question
Convenience Sample - CORRECT ANSWER-selecting subjects based on ease of attainment
a count or frequency - CORRECT ANSWER-number of times this response variable falls into the
range is called
Histogram - CORRECT ANSWER-most common graph of this frequency
Class - CORRECT ANSWER-width of each bar
outlier - CORRECT ANSWER-graph of data is an individual observation that falls outside the
overall pattern of the graph
3 Things You Describe with a Historgram - CORRECT ANSWER-Shape, Center, Spread
Symmetric Distribution - CORRECT ANSWER-right and left sides of the histogram are
approximately mirror images of each other
Stemplot - CORRECT ANSWER-For small data set this is quicker to make and presents more
detailed information
What are the two formulas for linear models? Which one should be used more? - CORRECT
ANSWER-Recursive: Pn=Pn-1+d
Explicit (common): Pn=Po+dn
