The number of days the employees in an organisation were absent from work in a year was recorded. 
<div class="table-container"><table><colgroup><col style="width: 200px;"><col style="width: 50px;"><col style="width: 50px;"><col style="width: 50px;"><col style="width: 50px;"><col style="width: 50px;"><col style="width: 50px;"><col style="width: 50px;"><col style="width: 50px;"><col style="width: 50px;"><col style="width: 50px;"></colgroup><thead><tr><th style="text-align: center">Number of days absent</th><th style="text-align: center">$0$</th><th style="text-align: center">$1$</th><th style="text-align: center">$2$</th><th style="text-align: center">$3$</th><th style="text-align: center">$4$</th><th style="text-align: center">$5$</th><th style="text-align: center">$6$</th><th style="text-align: center">$7$</th><th style="text-align: center">$8$</th><th style="text-align: center">$9$</th></tr></thead><tbody><tr><td style="text-align: center">Number of employees</td><td style="text-align: center">$31$</td><td style="text-align: center">$4$</td><td style="text-align: center">$9$</td><td style="text-align: center">$7$</td><td style="text-align: center">$5$</td><td style="text-align: center">$4$</td><td style="text-align: center">$12$</td><td style="text-align: center">$3$</td><td style="text-align: center">$3$</td><td style="text-align: center">$2$</td></tr></tbody></table></div>
Find the mean number of days of absence.

The number of days the employees in an organisation were absent from work in a year was recorded. 

Number of days absent

Number of employees

Find the mean number of days of absence. 

Number of Days Absent: Frequency and Mean Calculation

Number of Days Absent: Frequency and Mean Calculation

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