C784 Applied Healthcare Statistics - Set 4 - 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: What term describes the likelihood or chance of a certain event happening in probability?

Frequency

Probability

Odds

Percentage

Question 2: If a dataset has values that are spread widely apart, which measure best describes this spread?

Mean

Mode

Standard deviation

Median

Question 3: In probability, which term represents all the possible outcomes of an experiment?

Sample

Population

Event

Sample space

Question 4: What is the term for a set of data values that occur most frequently in a dataset?

Mean

Mode

Median

Range

Question 5: Which graph represents a distribution of data in specific categories as a circular chart?

Bar chart

Line graph

Pie chart

Histogram

Question 6: What term represents a set of numerical values that has no fractional parts and is countable?

Continuous data

Discrete data

Ordinal data

Qualitative data

Question 7: If two sets have no elements in common, they are considered to be what?

Subsets

Complementary

Disjoint

Dependent

Question 8: In statistics, what is the probability of an event plus its complement?

0.5

Question 9: Which method is often used to approximate a result by ignoring decimal points?

Factorization

Rounding

Cross-multiplication

Distribution

Question 10: A bar chart is most suitable for displaying what type of data?

Continuous

Quantitative

Categorical

Ordinal

Question 11: In a box plot, what does the line inside the box represent?

Mean

Median

Mode

Standard deviation

Question 12: Which of these values is not affected by extreme values in a dataset?

Mean

Median

Range

Standard deviation

Question 13: What does it mean if a dataset is skewed to the left?

Tail on the left

Symmetrical distribution

Bimodal distribution

Long tail on the right

Question 14: Which type of correlation exists when one variable increases as the other decreases?

Positive correlation

Negative correlation

No correlation

Constant correlation

Question 15: What is the line that represents the best fit for data points in a scatterplot called?

Mean line

Mode line

Regression line

Median line

Question 16: Which probability method is based on the actual outcomes of experiments?

Theoretical probability

Empirical probability

Conditional probability

Relative frequency

Question 17: What statistical measure divides data into four equal parts?

Deciles

Percentiles

Quartiles

Modes

Question 18: What do you call a variable that is manipulated to observe its effect on another variable?

Response variable

Dependent variable

Explanatory variable

Control variable

Question 19: Which measure is calculated by summing all values in a dataset and dividing by the number of values?

Mode

Range

Mean

Median

Question 20: Which graph displays data along a number line using dots to show frequency?

Bar chart

Pie chart

Dot plot

Line graph

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