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ECO202: Questions With Complete Solutions
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ECO202: Questions With Complete Solutions
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ECO202: Questions With Complete SolutionsThe birth weight of newborns, measured in grams, is an example of _____.
Right Ans - quantitative data
Data collected at the same, or approximately the same, point in time are _____
data. Right Ans - cross-sectional
The most common type of observational study is a(n) _____. Right Ans -
Survey
The summaries of data, which may be tabular, graphical, or numerical, are
referred to as _____. Right Ans - descriptive statistics
Statistical inference _____. Right Ans - is the process of drawing inferences
about the population based on the information taken from the sample
A portion of the population selected to represent the population is called _____.
Right Ans - Sample
A statistics professor asked students in a class their ages. Based on this
information, the professor states that the average age of students in the
university is 21 years. This is an example of _____. Right Ans - statistical
inference
The Department of Transportation of a city has noted that on the average
there are 14 accidents per day. The average number of accidents is an
example of _____. Right Ans - descriptive statistics
The process of analyzing sample data to draw conclusions about the
characteristics of a population is called _____. Right Ans - statistical
inference
The Microsoft Office package used to perform statistical analysis is _____.
Right Ans - Excel
, Which of the following is NOT an example of descriptive statistics? Right
Ans - an estimate of the number of Alaska residents who have visited Canada
Which of the following is an example of categorical data? Right Ans - social
security number
All data collected in a study are referred to as the _____. Right Ans - data set
What organization developed the report, "Ethical Guidelines for Statistical
Practice"? Right Ans - American Statistical Association
In a questionnaire, respondents are asked to mark their gender as Male,
Female, Transgender MtoF, Transgender FtoM, Non-binary, or Intersex.
Gender is an example of a(n) _____ variable. Right Ans - categorical
J.D. Power and Associates surveys new automobile owners to learn about the
quality of recently purchased vehicles. The following questions were asked in
the J.D. Power Initial Quality Survey. Comment on whether each question
provides categorical or quantitative data.
Did you purchase or lease the vehicle?
What price did you pay?
What is the overall attractiveness of your vehicle's exterior? (Unacceptable,
Average, Outstanding, or Truly Exceptional)
What is your average number of miles per gallon?
What is your overall rating of your new vehicle? (1- to 10-point scale with 1
Unacceptable and 10 Truly Exceptional) Right Ans - Categorical
Quantitative
Categorical
Quantitative
Quantitative
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