Which of the following should be plotted using a Histogram chart?

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BlackTom AI · Accepted Answer

When deciding whether a Histogram chart is appropriate, start from the core purpose of histograms: they display the distribution of a continuous numeric variable by grouping data into ranges (bins) and showing how often values fall into each range.
Option a: 'Number of coffees consumed in a day' is a count of a discrete event and typically takes integer values (0, 1, 2, ...). While histograms can be used for discrete data in some cases, a small, highly discrete count like daily coffee consumption is more commonly shown with a bar chart of frequencies per category or a line chart over time. It is not the classic use case for a histogram.
Option b: 'Market share of five competing internet providers' represents categorical data (five categories) with a relative size for each category. Histograms are not suited for categoricals; a bar chart is the standard choice to compare categorical proportions.
Option c: 'Annual Income recorded in thousands of dollars' describes a continuous numeric variable (income can take many values and is naturally measured on a continuous scale after scaling to thousands). A histogram excels here because it reveals the distribution shape, central tendency, spread, and any skew or outliers across income levels.
Option d: 'Number of accidents recorded daily at an intersection' is another count variable, typically integer-valued and perhaps summarized across days. Similar to option a, unless you have a large range of daily counts and want to visualize distribution across many days, a histogram is less conventional; a line chart over time or a bar chart of daily counts could be more straightforward.
In summary, histograms are most appropriate for continuous quantitative data where you want to see distribution across a continuum. Among the options, only option c describes a variable naturally suited for histogram-based distribution visualization, whereas the others align better with bar charts or time-series displays.

MCD2080 - T1 - 2025 LECTURE 01 LESSON 2: FAT 1 T1 2025

Which of the following should be plotted using a Histogram chart?

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