Exam (elaborations)
WGU C955 OBJECTIVE ASSESSMENT APPLIED PROBABILITY AND STATISTICS OA EXAM LATEST ACTUAL EXAM
- Course
- Institution
- Book
WGU C955 OBJECTIVE ASSESSMENT APPLIED PROBABILITY AND STATISTICS OA EXAM LATEST ACTUAL EXAM
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
More summaries for
-
Applied Probability and Statistics
Seller
Follow
tutorsection1
Reviews received
Content preview
WGU C955 OBJECTIVE ASSESSMENT APPLIED PROBABILITYAND STATISTICS OA EXAM LATEST ACTUAL EXAM TEST BANK
MODULE 1-MODULE 7
distribution - ANSWER: an arrangement of values that demonstrates their frequency
or occurrence
pie chart - ANSWER: categorical data, %
bar chart - ANSWER: categorical data; displays counts or frequencies for a category
dot plot - ANSWER: quantitative data, data is represented by a single point
stem plots - ANSWER: quantitative data, shows distribution while representing
specific data points
box plots - ANSWER: quantitative data, can be used to compare data sets, each part
is 25% of data
histograms - ANSWER: quantitative data, display frequencies or counts
quantitative data - ANSWER: numerical data, consists of data values that are
numerical, representing quantities that can be counted or measured
categorical data - ANSWER: data that consists of names, labels, or other
nonnumerical values
relative frequency - ANSWER: a way to approximate a percentage by dividing the
number of times an event occurred by the number of trials
frequency distribution - ANSWER: a record of the number of times data occurs within
a certain category
outliers - ANSWER: an observation point (number) that is distant from the other
observations of a data set
center - ANSWER: a measure of central tendency that is used to describe an entire
set of data with one value that represents the middle or center of the distribution
(mean, median, mode)
interval - ANSWER: a set of numbers between two specified values
check sheet - ANSWER: a table that allows data to be collected by marking how often
an event has occurred in a certain interval
, symmetric distributions - ANSWER: the left half of a data set being roughly identical
to the right half
bell curve - ANSWER: normal distribution, results from graphing frequency versus
distribution for a trait that varies continuously in a population
skewed-right - ANSWER: type of data distribution where frequency starts small,
increases, then gradually decreases again
skewed-left - ANSWER: distribution where data starts small and consistently
increases before dropping off again
u-shaped - ANSWER: distribution where data in the middle is lower than the data on
the left or right
uniform - ANSWER: distribution where all data is virtually the same
bimodal - ANSWER: data set with only two peaks
multimodal - ANSWER: data set with multiple peaks
statistics - ANSWER: the collection and classification of data that are in the form of
numbers
reliable data - ANSWER: data that is consistent and repeatable
valid data - ANSWER: data resulting from a test that accurately measures what it was
intended to measure
five number summary - ANSWER: lists the minimum, first quartile, median, third
quartile, and maximum in a data set
quartiles - ANSWER: divides data into four equally sized groups
interquartile range - ANSWER: difference between the third quartile and the first
quartile
normal symmetric (measures of center and spread) - ANSWER: mean; standard
deviation
skewed (measures of center and spread) - ANSWER: median; range or interquartile
range
explanatory variable (independent variable) - ANSWER: the cause of some result
response variable (dependent variable) - ANSWER: the affected or changed variable
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 tutorsection1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67163 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now