C784 Applied Healthcare Statistics - Set 3 - Part 1

Test your knowledge of technical writing concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 1: In a probability experiment, what term describes the likelihood of a particular outcome occurring?

Possibility

Certainty

Probability

Variance

Question 2: If the probability of an event happening is 0.75, what is the probability of its complement?

0.25

0.75

1.00

0.50

Question 3: Which of the following represents a whole number?

-2.5

1.5

√2

Question 4: What property allows two numbers to be added in any order without affecting the result?

Associative property

Distributive property

Commutative property

Identity property

Question 5: What term describes a number multiplied by itself to give a product?

Square

Cube

Factor

Root

Question 6: What is the term for the result of dividing one number by another?

Product

Sum

Quotient

Difference

Question 7: What property states that adding zero to any number does not change its value?

Identity property of addition

Commutative property

Associative property

Distributive property

Question 8: What is the term for the smallest number that can be divided evenly by two given numbers?

Greatest common factor

Least common multiple

Quotient

Sum

Question 9: Which term describes a pair of numbers whose product is 1?

Additive inverse

Reciprocal

Sum

Factor

Question 10: In a dataset, what term refers to the sum of all values divided by the total number of values?

Median

Mean

Mode

Range

Question 11: Which graph represents data in categories as percentages of a circle?

Bar chart

Histogram

Line graph

Pie chart

Question 12: If a data set is symmetric, what is true about the mean and median?

Mean is greater than the median

Mean is less than the median

Mean and median are equal

There is no relation

Question 13: What is the term for an arrangement of values that illustrates their frequency?

Mode

Distribution

Mean

Range

Question 14: What property allows the grouping of numbers in any way without changing the result in addition and multiplication?

Distributive property

Identity property

Associative property

Commutative property

Question 15: What is the principal square root of 25?

-5

-25

Question 16: What type of data can only take on specific values, such as whole numbers?

Continuous

Discrete

Categorical

Ordinal

Question 17: Which term represents the steepness and direction of a line?

Y-intercept

Degree

Quadrant

Slope

Question 18: In a normal distribution, what percentage of data falls within three standard deviations of the mean?

50%

68%

95%

99.7%

Question 19: What is the purpose of rounding in calculations?

To increase precision

To simplify a number

To add values

To find an exact result

Question 20: Which rule states that probability of multiple independent events occurring together is found by multiplying their individual probabilities?

Complement rule

Addition rule

Multiplication rule

Subtraction rule

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