A pie chart

Question

A pie chart

BlackTom AI · Accepted Answer

Question: A pie chart
Select one:

- a. is a chart that uses either horizontal bars to show comparisons among categories.
- b. is similar to a column chart but it groups numbers into ranges and show the frequency of each range.
- c. presents data in a circle which is divided into slices to illustrate numerical proportion.
- d. displays vertical bars going across the graph, with the values axis being displayed on the left side of the graph.

Option a analysis: This description corresponds to a bar chart, specifically horizontal bar charts, which compare categories but use bars laid out horizontally. It does not describe a pie chart. Therefore this option misidentifies the chart type.

Option b analysis: This describes a histogram, where data are binned into ranges and frequencies are shown. It also does not describe a pie chart. The clustering into ranges is a hallmark of histograms, not pie charts.

Option c analysis: This statement defines a pie chart correctly: data are displayed as a circle divided into slices, with each slice representing a proportion of the whole. It captures both the circular shape and the proportional slices that convey numerical proportions.

Option d analysis: This corresponds to a vertical bar chart or column chart, where bars extend vertically and the value axis is typically on the left. It does not match the pie chart format described in the question.

Overall, each incorrect option describes another common chart type (bar chart, histogram, or column chart), while option c accurately describes a pie chart's circular, sliced representation of proportions.

A pie chart单项选择题

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