Solutions | Latest 2026 Update
Q: Least-Squares Regression (LSR) Algorithm
Answer:
The most commonly used regression algorithm
(process), which is greatly seen as the best technique for regressions.
Q: Regression
Answer:
The process of examining data points to determine a valid equation.
"Regression" refers to bringing different data points down toward a normal average -
"regressing" them.
Q: Outlier
Answer:
A data point that "lies" significantly "outside" the trend in a set of data.
,Applied Algebra -WGU C957 Questions and Answers with Verified
Solutions | Latest 2026 Update
Q: Polynomial
Answer:
A function with real non-negative numbers - constants, variables, and exponents
that can be combined using addition, subtraction, multiplication and division. The
word comes
from poly- (meaning "many") and -nomial (meaning "terms").
Q: Polynomial's Degree
Answer:
The value of a polynomial's largest exponent, that is, if the largest
exponent in a polynomial function is 3, the polynomial is "of the third degree".
Q: Quadratic Polynomial
Answer:
An equation that includes one variable raised to the second power
(like x^2) and no greater exponent (3 or more); its name comes from Latin
(quadratus) because
the variable is squared.
, Applied Algebra -WGU C957 Questions and Answers with Verified
Solutions | Latest 2026 Update
Q: Data Regression
Answer:
The process of examining data points to determine a valid equation.
"Regression" refers to bringing different data points down toward a normal average -
"regressing" them.
Q: Regression Function
Answer:
A proposed function to model a data set, based on a regression
analysis.
Q: Constant Ratio
Answer:
Occurs when the numeric relationship between two quantities - that is, how
many times one number contains the second - remains unchanged over time.