Help on data analysis

I need some help figuring out the null hypothesis the alternative hypothesis, Test Statistic and the critical value and write a conclusion. of a set of days in two groups.

Here is the breakdown

1. Write the null and alternative hypotheses.
2. Calculate the test statistic.
3. Determine the critical value whether or not there has been an improvement.
4. Determine if there has been an improvement from year 1 to year 2.
6. Write up your conclusion.
5. Test at 95% confidence.

Year 1 data
3.16
4.35
3.46
3.74
3.61
4.58
4.24
3.46
3.74
3.64
3.07

Year 2 data
4.24
3.87
3.87
4.12
3.74
4
3.87
4.97
3.12
4.39
4.63

if anyone can assist me I would greatly appreciate it.