Exam (elaborations)
BRM Quiz 2 Exams (1)
- Course
- Institution
BRM Quiz 2 Exams (1)
[Show more]
Seller
Follow
modockochieng06
Content preview
BRM Quiz 2 ExamsLine Graph - ANS-Quantitative data. Always measures time, which goes on horizontal x -axis.
Intervals of time must be represented equally on the x axis. (not categorical data)
striking deviation= one big curve
Seasonal Variation - Constant Pattern - and it is predicable
Pie Chart - ANS-Categorical data.
Pie Chart must equal 100, but it may not add up to 100 due to rounding.
Do not need all the parts of a whole to create a pie chart., as long as you have another category.
Can always convert it to a bar graph, may not always be able to convert a bar graph into a pair
chart.
Bar Graph - ANS-categorical data.
- all bars on the graph must have the same width and can not touch.
- only sometimes can convert to pie chart only if representing whole
Pictogram - ANS-Must always be represented through a picture and is a bad choice for
graphical display because it is difficult to avoid distortion.
Seasonal Variation - ANS-Constant Pattern - and it is predicable
Histogram - ANS-Only represents quantitative data.
Used for large sets of data.
Classes of a histogram - the # of categories (# of bars)
Outlier = a bar far away from the rest of the bars
Stem Plots - ANS-Used for smaller data sets.
The actual data values can be recovered from the graph
Similar to a histogram turned on its side
Can convert to a histogram
Distribution - ANS-Whenever looking for a distribution you looking for the SHAPE, CENTER,
SPREAD
Distribution of a variable = shows possible values and how often it takes those value
Relative Frequency Histogram - ANS-Used for a large data set vs frequency histogram which
would not be as large.
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 modockochieng06. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now