Given a sequence of numbers, find the sum and average of all numbers in the sequence.
The sum of the sequence 2, 3, 5, 8 is 18. The average of the sequence is 4.5.
2, 3, 5, 8
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Given a sequence of numbers, find the sum and average of all numbers in the sequence.

### Input:
2, 3, 5, 8

### Response:
The sum of the sequence 2, 3, 5, 8 is 18. The average of the sequence is 4.5.