The office manager at an accounting firm counted the number of employees that were in the coffee room each hour during the work week. The results are summarized in the following number of employees and frequency info. Find the mean and standard deviation of the given data. Round to the nearest tenth, if necessary. Number of employees: 0, 1, 2, 3, 4, 5, 6, 7, 8 Frequency: 2,3,4,5,6,7,8,9,10

Question

The office manager at an accounting firm counted the number of employees that were in the coffee room each hour during the work week. The results are summarized in the following number of employees and frequency info. Find the mean and standard deviation of the given data. Round to the nearest tenth, if necessary.  Number of employees: 0, 1, 2, 3, 4, 5, 6, 7, 8  Frequency:  2,3,4,5,6,7,8,9,10