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A personnel manager is concerned about absenteeism. She decides to sample employee records to determine if absenteeism is distributed evenly throughout the six-day workweek. The null hypothesis is: Absenteeism is distributed evenly throughout the week. The 0.01 level is to be used. The sample results are: What kind of frequencies are the numbers 12, 9, 11, 10, 9, and 9 called?
Mode
The number that occurs the greatest number of times in a series of data.
Median
The middle value in a data set when the values are arranged in order, or average of the two middle values when there is an even number of observations.
Mean
The average value of a set of numbers, calculated by adding all the numbers together and dividing by the count of the numbers.
Categorical Data
Data that can be divided into specific groups or categories based on qualitative characteristics.
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