C784 Applied Healthcare Statistics - Set 3 - Part 2

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

Question 21: Which term describes data that can have any value within a range, such as weight or temperature?

Discrete

Categorical

Continuous

Nominal

Question 22: If a dataset has one peak, it is called what?

Multimodal

Unimodal

Bimodal

Symmetrical

Question 23: What is the graphical representation of data points on a two-dimensional plane that shows relationships between two variables?

Bar chart

Scatterplot

Histogram

Pie chart

Question 24: In probability, what is a variable that represents the result of an experiment called?

Explanatory variable

Response variable

Outcome variable

Independent variable

Question 25: What is an arrangement of values in a dataset from lowest to highest called?

Grouped data

Mode

Ordered data

Frequency distribution

Question 26: What is the sum of frequencies divided by the total number of data points called?

Relative frequency

Mean

Absolute frequency

Mode

Question 27: Which data visualization tool displays values of individual data points along a horizontal axis?

Pie chart

Bar chart

Dot plot

Line graph

Question 28: In a box plot, what value divides the dataset into halves?

Mean

Mode

Median

Range

Question 29: What type of plot visually shows the spread and five-number summary of a dataset?

Scatterplot

Box plot

Histogram

Line graph

Question 30: What does IQR stand for in statistics?

Inner Quartile Range

Integrated Quartile Range

Interquartile Range

Internal Quartile Range

Question 31: In a dataset, what does a value that significantly differs from other data points indicate?

Mode

Outlier

Range

Mean

Question 32: What does it mean when a dataset is described as having a positive skew?

Tail on the left

Tail on the right

Symmetrical distribution

Bimodal distribution

Question 33: Which graph shows a cumulative frequency distribution?

Histogram

Scatterplot

Ogive

Pie chart

Question 34: What does a correlation coefficient of -1 indicate?

No correlation

Weak correlation

Perfect negative correlation

Perfect positive correlation

Question 35: What term describes the likelihood of an event given that another event has already occurred?

Joint probability

Empirical probability

Conditional probability

Independent probability

Question 36: What is the measure of center that divides a dataset into two equal parts?

Mean

Median

Mode

Range

Question 37: In probability, if two events cannot occur at the same time, they are described as what?

Independent

Mutually exclusive

Dependent

Continuous

Question 38: What graphical method shows all possible outcomes of a probability event in a branching structure?

Venn diagram

Tree diagram

Frequency table

Histogram

Question 39: What is a single number that summarizes a specific characteristic of a dataset, such as the mean or median?

Statistical measure

Numerical summary

Frequency count

Empirical data

Question 40: Which variable in a study is influenced by changes in the independent variable?

Control variable

Dependent variable

Confounding variable

Factor

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