Textbook Question
What type of variable is required when drawing a time-series plot? Why do we draw time-series plots?
2. Describing Data with Tables and Graphs
Time-Series Graph
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Which type of graph best fits the definition ' shows data over time' ?
A
Pie chart
B
Bar graph
C
Scatter plot
D
Time-series graph
Verified step by step guidance1
Understand the definition: A graph that 'shows data over time' is designed to display how a variable changes as time progresses.
Review common graph types: A pie chart shows proportions of a whole at a single point in time, a bar graph compares categories, and a scatter plot shows relationships between two variables but not necessarily over time.
Identify the graph type that specifically represents data points in chronological order, connecting them to illustrate trends or patterns over time.
Recognize that a time-series graph (often a line graph) is the standard choice for visualizing data points collected or recorded at successive time intervals.
Conclude that among the options given, the time-series graph best fits the definition of 'shows data over time' because it effectively displays changes and trends across time periods.
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