Exam (elaborations)
WGU - APPLIED HEALTHCARE STATISTICS EXAM WITH BRILIANT SOLUTIONS.
WGU - APPLIED HEALTHCARE STATISTICS EXAM WITH BRILIANT SOLUTIONS.
[Show more]
Seller
Follow
Content preview
WGU - APPLIED HEALTHCARE STATISTICS EXAM WITH BRILIANTSOLUTIONS
Rational numbers - Correct Answer - Largest number system
Rational numbers - Correct Answer - Can be expressed as a fraction. 4 = 4/1. Also
decimals that end or continue forever repeating.
Real numbers - Correct Answer - Any number; Include zero, negative and positive
integers.
Real numbers are considered this. - Correct Answer - continuous and can be
measured.
Discrete data - Correct Answer - counted; doesn't allow for values between.
Every positive whole number has two square roots. - Correct Answer - True
Identity Property - Correct Answer - Property that 0 can be added to any number
without changing the value of the number. Likewise, 1 can be multiplied by any number
without changing the value of that number.
Factor - Correct Answer - An integer that divides another integer. We say an integer, x,
is a factor of another integer, y, if the quotient y/x is also equal to an integer.
Fundamental Theorem of Arithmetic - Correct Answer - Concept which states that any
integer greater than 1 is either prime or is the product of a unique set of prime numbers.
Factorization - Correct Answer - Process of determining the prime factors of a
composite number.
data - Correct Answer - Values; qualitative or quantitative.
Square root - Correct Answer - is only a real number
base - Correct Answer - number of outcomes
Percentage proportion is always set up to express percentage value - Correct Answer -
over 100
conditional proportion - Correct Answer - proportion where one part of a proportion is a
variable, or unknown quantity.
cross multiplying - Correct Answer - method used to prove that a proportion is true.
rate - Correct Answer - ratio that compares two quantities having different units of
measure.
unit multiplier - Correct Answer - fraction that contains two equivalent quantities but in
two different units, used in order to convert units.
unit conversion - Correct Answer - method used to change between measurement
systems.
all real numbers with a fixed value, prime, composite, odd, even, rational, or irrational. -
Correct Answer - constants
0 - Correct Answer - expression known as a constant.
1 - Correct Answer - expression known as linear.
2 - Correct Answer - expression known as quadratic.
3 - Correct Answer - expression known as cubic.
False - Correct Answer - Process for undoing multiplication and division operations will
always work, even if one of the numbers is zero.
, A variable with an exponent of 0 is equal to - Correct Answer - 1
root of a number - Correct Answer - non-linear
most simple algebraic equations are - Correct Answer - linear equations
two terms or expressions with an equals sign between them is - Correct Answer - an
equation
origin; where x and y intersect. - Correct Answer - 0, 0
linear; degree 1 - Correct Answer - straight line
slope-intercept form - Correct Answer - y = mx + b
point-slope form - Correct Answer - y - y1 = m(x - x1)
large coefficient - Correct Answer - steep line
small coefficient - Correct Answer - gentle slope
algebraic expression - Correct Answer - String of terms connected by division, addition,
and subtraction.
variance - Correct Answer - A measure of spread within a distribution (the square of the
standard deviation).
Qualitative - Correct Answer - categorical; in groups; names or labels; pie charts or bar
charts.
Quantitative - Correct Answer - number; counted, measured
bar charts - Correct Answer - categorical; counts, frequency of category.
graphic; quantitative data - Correct Answer - dot plots, stem plots, box plots,
histograms
dot plot - Correct Answer - quantitative; distribution; clusters, gaps, outliers; small sets.
stem plot - Correct Answer - quantitative; distribution; shape
box plot - Correct Answer - quantitative; distribution; center; spread; outliers in a given
data set.
histogram - Correct Answer - quantitative; frequency; count; shape and spread,
intervals.
distribution of quantitative data - Correct Answer - Shape, spread, max, min, outlier
graphic; quantitative - Correct Answer - symmetry, skew, U-shaped; uniform; bi-modal;
approximately normal.
pie chart - Correct Answer - categorical; different parts of a whole.
In a dot plot, depending on the data collected, every data value or groups of data values
can be represented by a dot. - Correct Answer - False
The first step in building a dot plot is to draw a horizontal scale. - Correct Answer -
False; first arrange data in increasing order.
histogram; quantitative - Correct Answer - frequencies; relative frequency
bar chart; categorical - Correct Answer - frequency, counts, or relative frequencies.
symmetric does not mean normal - Correct Answer - bell curve
asymmetry - Correct Answer - skewness
data set - Correct Answer - numerical values, measurements, observations, or survey
responses.
valid data - Correct Answer - result from test that accurately measures what it was
intended to measure.
numerical summary - Correct Answer - number used to describe a specific
characteristic about a data set.
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 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 AMAZONN. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.97. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83100 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now