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Data on number of days of work missed and annual salary increase for a company's employees show that, in general, employees who missed more

Data on number of days of work missed and annual salary increase for a company's employees show that, in general, employees who missed more days of work during the year received smaller raises than those who missed fewer days. Number of days missed explained 34% of the variation in salary increases. What is the numerical value of the correlation, r, between number of days missed and salary increase?

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