Certified Nurse Manager and Leader (CNML) Practice Test

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What is a key feature of the histogram?

It illustrates exhaustive case studies
It shows the frequency of various outcomes
It compares leadership effectiveness
It presents financial data trends

The correct answer is: It shows the frequency of various outcomes

A key feature of the histogram is that it shows the frequency of various outcomes. Histograms are graphical representations of data that organize the values of a dataset into bins or intervals, allowing for a clear visual interpretation of how many times each value occurs within those defined ranges. This makes histograms particularly useful in statistics for displaying distributions of continuous data, such as measurement results or survey responses. By observing the height of the bars in a histogram, one can quickly assess the frequency distribution of the data, identify common values, and note patterns such as skewness or modality in the dataset. This visual representation is essential in various analytical contexts, including quality control and performance analysis, where understanding the distribution of outcomes can inform decision-making and process improvements.