QMB 3200 EXAM 1 GARY BLISS EXAM QUESTIONS AND ANSWERS (GRADED A)
0 view 0 purchase
Course
QMB 3200
Institution
QMB 3200
QMB 3200 EXAM 1 GARY BLISS EXAM QUESTIONS AND ANSWERS (GRADED A)QMB 3200 EXAM 1 GARY BLISS EXAM QUESTIONS AND ANSWERS (GRADED A)QMB 3200 EXAM 1 GARY BLISS EXAM QUESTIONS AND ANSWERS (GRADED A)
Statistics - ANSWER-Mathematical Science that deals with the collection, analysis, and presentation of da...
QMB 3200 EXAM 1 GARY BLISS EXAM
QUESTIONS AND ANSWERS (GRADED
A)
Statistics - ANSWER-Mathematical Science that deals with the collection, analysis, and
presentation of data which can then be used to infer
Data - ANSWER-Facts and figures that are collected, analyzed, and summarized for
presentation and interpretation
Primary Data - ANSWER-Data collected for own use. It is inexpensive, time consuming,
and trustworthy
Secondary Data - ANSWER-Data collected by someone else. It is cheap, easy to find,
but not trustworthy
Ways of Collecting Primary Data - ANSWER-Direct Observation, Experimentation,
Survey
Direct Observation - ANSWER-Observing a focus group in natural habitat
Experiment - ANSWER-Treatment in a controlled habitat
Survey or Questionnaires - ANSWER-Responses and discussions
Good Survery - ANSWER-State its purpose and ask personla information at the end
Bias - ANSWER-Questions that affect responses by leading or encouraging an answer
Categorical/Qualitative Data - ANSWER-Data that is grouped by category and is non
numbers. It is described by terms
Quantitative Data - ANSWER-Data that is grouped by numbers. Described by numerical
values and are counted or measured
Types of Qualtitative Data - ANSWER-Nominal and Ordinal
Nominal Data - ANSWER-Arbitrary labels for data with no ranking (zipcodes)
Ordinal Data - ANSWER-Arbitrary ranked data but no meaningful differences (mIddle,
high, schoo, etc)
, Types of Quantitative Data - ANSWER-Interval and Ratio
Interval Data - ANSWER-Meaningful ranked data with no 0 point (years)
Ratio - ANSWER-Meaningful ranked data with a real 0 value (Income)
Time Series Data - ANSWER-Specific Measurements over a time period
Cross Sectional Data - ANSWER-Specific values of a subject from a point in time
Descriptive Statistics - ANSWER-Collect, summarize, and display
Inferential Statistics - ANSWER-Making claims about data based on a sample
Population - ANSWER-All possible subjects in a study
Sample - ANSWER-Portion of the population that is representative of the population
from which it was selected
Parameter - ANSWER-Characteristic of population
Statistic - ANSWER-Characteristic of sample
Cumulative Relative Frequency - ANSWER-Accumulated proportion of frequency that
are less or equal to the class that is being observed
Histogram - ANSWER-Number of observations in each class of frequency distribution
on a graph
Variance Definition - ANSWER-Measures variability or spread of data points around the
mean
Standard Deviation - ANSWER-Square root of Variance.
Definition of Standard Deviation - ANSWER-Measure of how far on average each data
value is from the mean
Formula for Variance - ANSWER-((Data Value-Mean)^2)/N
Excel Functions - ANSWER-Var.s STDEV.S or Var.p STDEV.P or ToolPak`
coefficient of variation - ANSWER-Measures standard deviation in terms of its
percentage of the mean
Number of classes - ANSWER-2^K GREATER OR EQUAL TO N solve for K
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 $14.99. You're not tied to anything after your purchase.
