The ages of randomly selected employees at two companies are recorded. Their ages are as follows: company A:34,28,36,27,45,44,30,42,41,40,50,48,52,45,39,38. Company B: 29,32,48,51,49,37,33,35,36,40,45,48,43,43,44,48. Which of the statements are true?
1. The average age of employees at company A is 40.375.
2. The average age of employees at company B is 41.
3. The range of ages at company A is 25, while the range at company B is 22.
4. The median age at company A is 40, while the median age at company B is 43.
5. The mode age at company A is 45, while the mode age at company B is 48.
All of these statements are true.