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A restaurant manager wants to determine the percent of time the servers are working and idle using work sampling. His calculation shows that he needs to take a sample of 100 based on a z value of 2. If he wants to use a z value of 3, how many more samples does he need to take?
Least Squares Line
A line that minimizes the sum of the squares of the vertical deviations from each data point to the line, often used in linear regression.
Interval Variables
Variables where the intervals between the values are interpretable, allowing for meaningful comparison and arithmetic operations.
Interpretation
The process of explaining or understanding the meaning of data, actions, or events.
Coefficient Of Determination
A statistic that indicates the proportion of the variance in the dependent variable that is predictable from the independent variable(s).
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