Statistical Analysis and Decision Making

I have dataset and i want make this steps on it:
Follow each step carefully to complete the project successfully!
1. Check the normality of your data set.
2. State your null and alternative hypotheses for your test.
3. Perform t test with excel data analysis toolpack.
4. Test your hypotheses and state that if you reject or support the Null hypothesis.
(α = 0,05).
5. Draw conclusion and provide and recommendations to company based on your
results.