The key difference between Authority and Responsibility lies in the fact that authority means when a person is designated to a post, he has the right to order others and make decisions of his own.
Responsibility means a person is obligated to do his duty forcefully or by his commitment. An authority can give orders, and in responsibility, one has to follow the orders.

These two financial statements are commonly used in the accounting field. An Audit refers to an intelligent and methodical examination of the books of accounts of an entity to check if they are true and fair. A review, on the other hand, is similar to an audit but the difference is that it's not as thorough, it's an evaluation to see if there is room for modification. They can’t be used interchangeably. However, some companies prefer using the term ‘review’ when they’re actually talking about an audit.

Both of these words are different but there's a fine line between them. Both of the words mean believing in something before it happens, but you use the word assume when you are not totally sure of the end result and you use presume when you are certain that something will happen. There's a link full of detailed explanations and examples.
Next time presume before you assume something, if you know what I mean.

I glad to hear that you liked my post. I'm thinking about doing another one very soon.

Two different techniques used in statistics for analyzing given data. The Analysis of Variance or ANOVA studies the variance of the statistical data for analysis. Analysis of Covariance or ANCOVA studies the covariance of the statistical data for analysis. These two techniques are vastly used in different programs.

This information is valuable for what I'm studying at the moment. The link is useful and I will check it out definitely.
Thanks