Reports are written in the language of information and should be clear, concise, factual and objective.
There are a number of accepted ways of doing this correctly. The most straightforward is using the method:
IFCR– Introduction, findings, conclusion, recommendations.
Explain what the report is about, why you decided to write it, how you will gather your information.
Using bullet points & statistics, make a list of your findings.
What can you conclude from what you’ve discovered above.
What changes / solutions do you suggest. One per conclusion. Be specific.
NOTE: on one occasion students were asked to write a ‘memo’. A memo is an informative document usually used in an office setting. There are many accepted formats for this so there is no absolutely correct structure. The language is usually formal, clear and direct. Click on this link for further explanation and examples HERE