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QUESTION 6 The owner of a large company has asked you about the distribution of the ages of the 1000 employees specifically the mean age and the standard deviation of the ages. To answer the owner's questions, you have taken a sample of 100 employees and have constructed the following distribution table Age No. of Employees 20 up to 30 BL 30 up to 40 24 40 up to 50 27 50 up to 60 23 60 up to 70 8 What is the approximate average employee age? O a. 45.0 O b. 20 O c.42.9 O d. 32.6 QUESTION 7 The owner of a large company has asked you about the distribution of the ages of the 1000 employees specifically the mean age and the standard deviation of the ages. To answer the owner's questions, you have taken a sample of 100 employees and have constructed the following distribution table Age No. of Employees 20 up to 30 18 30 up to 40 24 40 up to 50 27 50 up to 60 23 60 up to 70 8 What is the approximate standard deviation of the ages? O a. 12.17 O b. 32.6 C. 148.07 O d. 12.5