Find out the mean and the standard deviation

Question

What is population mean value?

A lady sells homemade bread at 50 locations in town. She is concerned about absenteeism with the workers. Below is the number of days for a sample of 10 workers for the last 2 week pay period

4

1

2

2

1

2

2

1

0

3

A. What is the population mean? What is the best estimate of that value?
B. find out the mean and the standard deviation of the sample.