1. A sample was taken of the salaries of 10 employees of a large company. The following are the salaries (in thousands of dollars) for this year. For convenience, the data are ordered.

28

34

41

42

45

45

52

61

72

77

1. Suppose each employee in the company receives a $3000 raise for next year (each employee's salary is increased by $3000). What would you expect to happen to the mean salary for the employees working for the company? (2 p)

2. Suppose each employee in the company receives a $3000 raise for next year (each employee's salary is increased by $3000). What would you expect to happen to the median salary for the employees working for the company? (2 p)

3. Suppose each employee in the company receives a $3000 raise for next year (each employee's salary is increased by $3000). What happens to the standard deviation of the salaries for the employees working for the company? (2p)