Translation of correlación

If I see that the case study does not progress as I wish, I will summarize the data myself and let the University sign it. Of course, you will receive the study immediately. All the best meanwhile.
Sorry, I did not know that I have a meeting with a friend. I will talk about our trip. Many thanks for the email and I hope we write eachother again soon and next time longer letters, I promise.
I understand your English, it's not bad at all. Yes, the English vocabulary is much larger than the German. The more you might spend time using the language, the better your vocabulary knowledge will become.