WGU - APPLIED HEALTHCARE STATISTICS QUESTIONS WITH
CORRECT ANSWERS
Rational numbers - Correct Answer - Largest number system
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Rational numbers - Correct Answer - Can be expressed as a fraction. 4 = 4/1. Also decimals that end
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or continue forever repeating.
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Real numbers - Correct Answer - Any number; Include zero, negative and positive integers.
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Real numbers are considered this. - Correct Answer - continuous and can be measured.
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Discrete data - Correct Answer - counted; doesn't allow for values between.
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Every positive whole number has two square roots. - Correct Answer - True
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Identity Property - Correct Answer - Property that 0 can be added to any number without changing
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uthe value of the number. Likewise, 1 can be multiplied by any number without changing the value of
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uthat number.
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Factor - Correct Answer - An integer that divides another integer. We say an integer, x, is a factor of
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another integer, y, if the quotient y/x is also equal to an integer.
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Fundamental Theorem of Arithmetic - Correct Answer - Concept which states that any integer greater
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than 1 is either prime or is the product of a unique set of prime numbers.
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Factorization - Correct Answer - Process of determining the prime factors of a composite number.
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data - Correct Answer - Values; qualitative or quantitative.
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Square root - Correct Answer - is only a real number
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base - Correct Answer - number of outcomes
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Percentage proportion is always set up to express percentage value - Correct Answer - over 100
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conditional proportion - Correct Answer - proportion where one part of a proportion is a variable, or
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unknown quantity.
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cross multiplying - Correct Answer - method used to prove that a proportion is true.
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rate - Correct Answer - ratio that compares two quantities having different units of measure.
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, unit multiplier - Correct Answer - fraction that contains two equivalent quantities but in two different
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units, used in order to convert units.
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unit conversion - Correct Answer - method used to change between measurement systems.
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all real numbers with a fixed value, prime, composite, odd, even, rational, or irrational. - Correct
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Answer - constants
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0 - Correct Answer - expression known as a constant.
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1 - Correct Answer - expression known as linear.
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2 - Correct Answer - expression known as quadratic.
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3 - Correct Answer - expression known as cubic.
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False - Correct Answer - Process for undoing multiplication and division operations will always work,
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even if one of the numbers is zero.
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A variable with an exponent of 0 is equal to - Correct Answer - 1
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root of a number - Correct Answer - non-linear
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most simple algebraic equations are - Correct Answer - linear equations
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two terms or expressions with an equals sign between them is - Correct Answer - an equation
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origin; where x and y intersect. - Correct Answer - 0, 0
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linear; degree 1 - Correct Answer - straight line
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slope-intercept form - Correct Answer - y = mx + b u u u uu u u u u u u
point-slope form - Correct Answer - y - y1 = m(x - x1)
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large coefficient - Correct Answer - steep line
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small coefficient - Correct Answer - gentle slope
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algebraic expression - Correct Answer - String of terms connected by division, addition, and
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subtraction.
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variance - Correct Answer - A measure of spread within a distribution (the square of the standard
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deviation).
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Qualitative - Correct Answer - categorical; in groups; names or labels; pie charts or bar charts.
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Quantitative - Correct Answer - number; counted, measured
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