Applied Statistics Exam Questions with Verified Answers Latest Update 2024-2025
The information we gather with experiments and with surveys is collectively called data. True/False? -
Answers True
Statistic - Answers numerical summary of a sample
Parameter - Answers numerical summary of a population
A survey of 1500 American households found that 33% of the respondents own a computer - Answers
Statistic
The three main aspects of statistics... - Answers Design, Description, Inference
Random sample - Answers a sample that fairly represents a population because each member has an
equal chance of inclusion
Sample - Answers A subset of the entire set of interest.
Population - Answers The set of ALL subjects of interest.
Based on 12,000 responses from 55,000 questionnaires sent to its alumni, a major university estimated
that the annual salary of its alumni was $98,500 per year. This sample was collected using random
sampling. True/False? - Answers False
In a recent television survey, participants were asked "yes" or "no" to a question, "Are you in favor of
the death penalty?" Six thousand five hundred responded "no. " The sampling technique used produces
a random sample? True/False? - Answers False
The ___ is the set of all subjects of interest; while the ___ is a subset of the entire set of interest -
Answers Population; Sample
The average age of 25 congressional members who were selected at random. Parameter/Statistic? -
Answers Statistic
The estimation of the population average age of registered voters in the state of Ohio based no the
sample average age of 1,000 registered voters in that state and its corresponding margin of error. -
Answers Inferential Statistic
The following statement refers to which aspect of a statistical study: "A meteorologist constructs a
graph showing the total precipitation in Phoenix, Arizona in each of the months of a given year?" -
Answers Description
Parameter values are usually known. True/False? - Answers False
The information we gather with experiments and with surveys is collectively called data. True/False? -
Answers True
Statistic - Answers numerical summary of a sample
Parameter - Answers numerical summary of a population
A survey of 1500 American households found that 33% of the respondents own a computer - Answers
Statistic
The three main aspects of statistics... - Answers Design, Description, Inference
Random sample - Answers a sample that fairly represents a population because each member has an
equal chance of inclusion
Sample - Answers A subset of the entire set of interest.
Population - Answers The set of ALL subjects of interest.
Based on 12,000 responses from 55,000 questionnaires sent to its alumni, a major university estimated
that the annual salary of its alumni was $98,500 per year. This sample was collected using random
sampling. True/False? - Answers False
In a recent television survey, participants were asked "yes" or "no" to a question, "Are you in favor of
the death penalty?" Six thousand five hundred responded "no. " The sampling technique used produces
a random sample? True/False? - Answers False
The ___ is the set of all subjects of interest; while the ___ is a subset of the entire set of interest -
Answers Population; Sample
The average age of 25 congressional members who were selected at random. Parameter/Statistic? -
Answers Statistic
The estimation of the population average age of registered voters in the state of Ohio based no the
sample average age of 1,000 registered voters in that state and its corresponding margin of error. -
Answers Inferential Statistic
The following statement refers to which aspect of a statistical study: "A meteorologist constructs a
graph showing the total precipitation in Phoenix, Arizona in each of the months of a given year?" -
Answers Description
Parameter values are usually known. True/False? - Answers False
