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Running head: EVALUATING IMPROVEMENTS TO OPERATIONS
Evaluating Improvements to Operations
Student Name
Institution Affiliation
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EVALUATING IMPROVEMENTS TO OPERATIONS
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Introduction
Key concepts
The null hypothesis is that there were similarities in the sample averages between the
new time and the old time, while the alternative hypothesis is that the sample average for the
new and old call approaches are different.
The topic of the report, problem and its purpose
A z-test was used in the evaluation because two samples were being compared. The
test was to be used to determine...