What type of graph is shown in the image above?

Appeared in: NORCET 7 Prelims -2024

Explanation

The graph shown is a Pie Chart, which is a circular statistical graphic used to represent proportions.
It is divided into slices (sectors) to illustrate the numerical proportion of different categories—in this case, favorite fruits.
The entire circle represents the total data (100% or 360 degrees), and the size of each slice is proportional to the quantity it represents.
The image clearly shows a circle divided into colored sections with corresponding angles and a legend, which are defining characteristics of a pie chart.

Option A: A scatter plot uses dots or points on a Cartesian coordinate system to display values for two variables. The image does not show dots or two axes representing different variables.
Option C: A bar diagram (or bar chart) uses rectangular bars of varying lengths to represent and compare data across different categories. The image is circular, not composed of bars.
Option D: A line graph connects a series of data points with a continuous line to show trends over time or another continuous variable. The image does not show data points connected by lines.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of different types of graphs used for data representation as background academic context rather than a clinical decision trigger.
Understanding different graphs is crucial in nursing for interpreting patient data, research findings, and public health statistics.
For example, a pie chart could be used to show the distribution of different causes of hospital-acquired infections (e.g., 40% CAUTI, 30% CLABSI, 20% VAP, 10% SSI).
A line graph is essential for tracking a patient's vital signs (like temperature or blood pressure) over time to identify trends or sudden changes.

How to Approach the Question

First, carefully observe the visual characteristics of the graph presented in the image.
Note its key features: it is circular, divided into different colored sections (slices), and each slice is labeled with an angle, representing a part of a whole.
Next, review the definitions of the graph types provided in the options: Scatter Plot, Pie Chart, Bar Diagram, and Line Graph.
Compare the observed features of the image with the definition of each option.
A pie chart is defined as a circular graph divided into slices to show proportions. This perfectly matches the image.
Eliminate the other options as their definitions (dots for scatter plots, bars for bar diagrams, lines for line graphs) do not match the visual evidence.

Concept Tested & Keywords

Concept Tested: Identification of different types of graphs used for data representation.
Stem keywords: graph, image
Lead-in keywords: What type

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E6 NursingResearch Suresh Sharma 5e Part 2 p. 126-128

E6 NursingResearch Sukhpal Kaur p. 362-364

Practise the full NORCET 7 Prelims -2024

Attempt every question from this paper in a timed mock, then review the full solution for each one.