The correct answer is<span> People per hour, because the dependent quantity is the people
That is because a dependent variable is one that changes based on other quantities that are being manipulated in an experiment. You can't manipulate the number of people, but you can hours, so it is independent.</span>
The store gave out samples by the dozen. - Is the correct phrase, as an adverbial phrase is a word/ phrase that modifies the/ qualifies an adjective. So the 'dozen' modifies the sentence.
No, because you wouldn’t be tidy. Therefore, you’re don’t have a pleasing appearance so you wouldn’t want to stay.