For the following description of data, identify the W\'s, name the variables, sp
ID: 3261253 • Letter: F
Question
For the following description of data, identify the W's, name the variables, specify for each variable whether its use indicates it should be treated as categorical or quantitative, and for any quantitative variable identify the units in which it was measured (or note that they were not provided). Specify whether the data come from a designed survey or experiment. Are the variables time series or cross-sectional? Report any concerns you have as well.
automobile manufacturerautomobile manufacturer
wants to know what college students think about
electricelectric
vehiclesvehicles.
They ask you to conduct a survey that asks students, "Do you think there will be more
electric orelectric or
gasolinegasoline
poweredpowered
vehiclesvehicles
on theon the
roadroad
in 2025?" and "How likely are you to
buybuy
anan
electricelectric
vehiclevehicle
in the next 10 years?" (scale of
1equals=not
at all likely to
5equals=very
likely).
Who was measured?
A.
The electric vehicleselectric vehicles
B.
The automobile manufacturerautomobile manufacturer
C.
The college students
D.
This information is not given.
What was measured? Select all that apply.
A.
The opinion about
the power type ofthe power type of
vehicles on the roadvehicles on the road
in 2025
B.
The cost of
electricelectric
vehiclesvehicles
C.
The number of years until 2025
D.
The likelihood of
owning anowning an
electricelectric
vehiclevehicle
E.
Number of college students
F.
This information is not given.
When were the measurements taken?
A.
In 2025
B.
Recently
C.
Last year
D.
This information is not given.
Where were measurements taken?
A.
At the college
B.
Through the mail
C.
At the automobile manufacturerautomobile manufacturer
D.
This information is not given.
Why were the measurements taken?
A.
The college students want to know about
electricelectric
vehiclesvehicles.
B.
The
automobile manufacturerautomobile manufacturer
wants to know about
electricelectric
vehiclesvehicles.
C.
The
automobile manufacturerautomobile manufacturer
wants to know what college students think.
D.
This information is not given.
How were the measurements taken?
A.
A survey
B.
The data was provided by the college.
C.
By observation
D.
This information is not given.
Specify the categorical variables for this problem. Select all that apply.
A.
Number of college students
B.
The number of years until 2025
C.
The cost of
electricelectric
vehiclesvehicles
D.
The opinion about
the power type ofthe power type of
vehicles on the roadvehicles on the road
in 2025
E.
The likelihood of
owning anowning an
electricelectric
vehiclevehicle
F.
There are no categorical variables.
Specify the quantitative variables and identify the units for this problem. Select all that apply.
A.
Number of college students; the units are students
B.
The opinion about
electricelectric
vehiclesvehicles
in 2025; the units are not specified
C.
The cost of
electricelectric
vehiclesvehicles;
the units are not specified
D.
The likelihood of
owning anowning an
electricelectric
vehiclevehicle;
the units are not specified
E.
The number of years until 2025; the units are years
F.
There are no quantitative variables.
Specify whether the data come from a designed survey or experiment.
A.
Experiment
B.
Designed survey
C.
This information cannot be determined by the given data.
Are the variables time series or cross-sectional?
Cross-sectional
Time series
Neither
Specify any concerns. Select all that apply.
A.
There are too many categorical variables.
B.
The data sample size was too small.
C.
The data collection was done incorrectly.
D.
There are no specific concerns.
Click to select your answer(s).
Explanation / Answer
Q1) Who was measured?
ans-> C. The college students
Q2) What was measured?
ans-> A.The opinion about the power type of vehicles on the road in 2025, D.The likelihood ofowning an electric vehicle
Q3) When were the measurements taken?
ans-> D.This information is not given.
Q4) Where were measurements taken?
ans-> A. At the college
Q5) Why were the measurements taken?
ans-> C.Theautomobile manufacturer wants to know what college students think.
Q6) How were the measurements taken?
ans-> A. A survey
Q7) Specify the categorical variables for this problem.
ans-> D.The opinion about the power type of vehicles on the road in 2025
Q) ) 8) Specify the quantitative variables and identify the units for this problem.
ans-> A. Number of college students; the units are students, C.The cost of electric vehicles; the units are not specified,
D.The likelihood of owning an electric vehicle; the units are not specified, E.The number of years until 2025; the units are years
Q9) Specify whether the data come from a designed survey or experiment.
ans-> B. Designed survey
Q10) Are the variables time series or cross-sectional?
ans-> Neither
Q11) Specify any concerns.
ans-> D. There are no specific concerns.