Mrs. Smith wanted to determine if the 7th grade students who received a passing grade spent more time studying than those students who failed. The dot plots below show the number of minutes spent studying for a test by randomly selecting 29 students’ names from a container of her 7th grade students who passed and students who failed.

What inference can be made about the population based on this data?

Mrs. Smith’s average 7th grade students who passed studies about 25 minutes more than the average students who failed.

Mrs. Smith’s average 7th grade students who passed or failed both study for 30 minutes.

Mrs. Smith’s average 7th grade students who failed did not have time to study after completing their chores.

Mrs. Smith’s average 7th grade students who failed studies 35 minutes less than the average 7th grade students who passed.