WGU C955 OBJECTIVE ASSESSMENT APPLIED
PROBABILITY AND STATISTICS OA EXAM LATEST 2024-
2025 ACTUAL EXAM TEST BANK MODULE 1-MODULE 7
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Sample frame is divided into groups. Then we choose a random sample (usually the same
size) from within EVERY group.
Choose an answer
Convenience sample 2 Stratified sample
3 Systematic sample
Terms in this set (141)
Discrete data Has distinct values, can be counted, had unconnected points
(think dots)
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, 8/24/25, 4:00 PM WGU C955 OBJECTIVE ASSESSMENT APPLIED PROBABILITY AND STATISTICS OA EXAM LATEST 2024-2025 ACTUAL EXA…
Has values within a range, measured not counted, does
Continuous data
not have gaps between data points (data is connected
lines or curves).
Example of discrete data Days of the week
Expressions A group of symbols such as numbers and operators that has
mathematical validity
Commutative The order in which the numbers appear in the sum can be
reversed
Identity property Adding 0 to any number does not change the original number
Additive inverse Values that are equally far from 0 on the number line.
Negative When multiplying a positive number by a negative number the
result is always
Positive Multiplying a negative number by a negative number results in a
positive
Factors Integers that evenly divide the initial integer
Prime number Positive integer with exactly two positive factors consisting of 1
and itself
Composite number Has at least one positive factor other than one and itself
Factorization Process of breaking up a composite number into its prime
factors
fundamental theorem of Any integer greater than one is either Prime or the product of
arithmetic Prime numbers
Principal square root Positive square root of a number
Radican Number under radical sign √16=4
Open Circle Represents less than or greatest than on the number line
Perfect square Product of any integer with itself yields a perfect square.
Whole numbers positive numbers with a whole value
Integers Numbers with no fractions or decimal value but can be positive
or negative
Numbers that can be expressed as a fraction or decimal
Rational numbers
values that have that end or repeat forever. Includes all
integers since all integers can be expressed as
fractions.
Real numbers Everything that can be included in a number line including pi.
Fractions Express numbers which are part of a whole
Numerator Number written before the slash or above the fraction bar
Proper fraction Numerator is less than denominator and the value of the fraction
is less than one
Numerator is greater than denominator and therefore is
Improper fraction
greater than one except with negative fractions
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