QMB 3200 MIDTERM EXAM QUESTIONS
AND ANSWERS 100% CORRECT
data - ANSWER-Facts, figures, and other evidence gathered through observations.
Dataset - ANSWER-the complete set of raw data, for all observational units and
variables, in a survey or experiment
Element - ANSWER-the entity on which data is collected
variable - ANSWER-a characteristic of interest for the elements
observation - ANSWER-variables associated with the element
cross-sectional - ANSWER-data collected at one point in time
time series - ANSWER-data collected over time
panel - ANSWER-both cross-sectional and time series
data mining - ANSWER-make predictions from big data
frequency distribution - ANSWER-A summary chart, showing how frequently each of the
various scores in a set of data occurs
statistical analysis - ANSWER-a research method that entails analyzing data that have
already been collected to determine the strength of the relationship that may exist
between two or more variables
Descriptive Analytics - ANSWER-describes what has happened
Predictive Analytics - ANSWER-uses statistical model to predict the future
descriptive statistics - ANSWER-describes data
Population - ANSWER-the set of all elements of interest in a particular study
sample - ANSWER-a subset of the population
statistical inference - ANSWER-The process of using data obtained from a sample to
make estimates or test hypotheses about the characteristics of a population.
Prescriptive Analytics - ANSWER-uses data to find optimal solution
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller NursingTutor1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.