An operations manager wants to measure variability in the delivery time of insurance policies to clients. Which of the following quality tools most appropriately would show the level of variability?
The best quality tool to show the level of variability in delivery times is a histogram.
Explanation: A histogram visually represents the distribution of data by showing the frequency of values within different ranges (bins). This allows the operations manager to easily identify the spread of delivery times, including areas with high or low variability.
Scatterplot:
This tool shows the relationship between two variables. In this case, it would require another variable (like the cost of the policy) to assess the relationship with delivery time. It wouldn't solely depict the variability of delivery time itself.
Incorrect. The scatter chart shows the strength of a relationship between two variables on an x and y axis chart. A histogram "buckets" outcomes by the number of occurrences of those outcomes
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