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WGU C784 APPLIED HEALTHCARE STATISTICS OA EXAM
COMPLETE 400 QUESTIONS AND CORRECT DETAILED
ANSWERS ALREADY GRADED A+
WGU C784 APPLIED HEALTHCARE STATISTICS OA EXAM A
Given the following expression: 4 + 7 × (6 - 3)2. What is the answer using proper order of operations?
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- 67
D. 99 - ANSWER-C. 67
Given the following expression: 5 x (30 - 27)2 + 4. What is the correct answer using the proper order of operations?
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- 49
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D. 81 - ANSWER-B. 49
What is 3/14 - 1/7?
A. 1/14 1 / 4
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B. 2/7
C. 5/14
D. 3/2 - ANSWER-A. 1/14
What is the greatest common factor of 132 and the square root of 121 using prime factorization?
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D. 11 - ANSWER-D. 11
What is the greatest common factor of 24 and 84 using prime factorization?
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D. 12 - ANSWER-D. 12
Exponents - ANSWER-Sometimes called a power, it is a quantity that represents repeated multiplication. 2 / 4
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Least Common Multiple (LCM) - ANSWER-The smallest number in value that is a multiple of two or more numbers.
Order of Operations - ANSWER-A set of rules that defines the order in which Mathematical operations should be performed.
Numerical Summary - ANSWER-A number used to describe a specific characteristic about a data set.
Joint Frequencies - ANSWER-The frequency counts in each cell of the table.
Linear Extrapolation - ANSWER-Estimation using the linear regression equation is made outside known data points.
Fair - ANSWER-An experiment in which all outcomes are equally likely.
Continuous - ANSWER-A collection of numbers whose values are not dividable into distinct values.
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4 Proper Fraction - ANSWER-A fraction where the number in the numerator is less than the number in the denominator.
Unlike Terms - ANSWER-Terms that do not have the same variable(s) with the same exponent(s). These terms can not be combined using addition or subtraction.
Valid Data - ANSWER-Data that results from a test that accurately measures what it was intended to measure.
Five-Number Summary - ANSWER-The minimum, first quartile, median, third quartile, and the maximum. A box plot represents the five numbers in a five-number summary.
Observational Study - ANSWER-The researcher observes if there is an association between variables. There is no treatment or control group.
Conditional Probability - ANSWER-A probability that depends on the occurrence of an earlier event.
Negative Number - ANSWER-A number whose value is less than zero. On the number line, negative numbers are to the left of zero.
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