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Results

#1. A manager at a customer support center is aiming to increase the total number of phone calls his employees collectively answer each week. He meticulously records the number of calls answered by the team every day. To visually represent the cumulative progress and show the total accumulation of calls over the course of weeks or months, thereby illustrating the overall increase in productivity, what would be the most appropriate graph for displaying this data?

Bar graph

Scatterplot

Cumulative record

Line graph of daily frequency

A cumulative record is the most appropriate graph for displaying the total accumulation of responses over time especially when the goal is to show progress towards an increased total count This type of graph plots the total number of responses recorded since the beginning of data collection therefore the line on a cumulative record never decreases The slope of the line indicates the rate of responding with a steeper slope indicating a higher rate This makes it ideal for visualizing total productivity progress and changes in response rate over extended periods While a line graph of daily frequency could show fluctuations daytoday it wouldnt clearly illustrate the total accumulation Bar graphs are typically used for comparing discrete categories and scatterplots show the relationship between two variables

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