Lincoln junior high school asked all of their eighth grade students the question, "what is your favorite
breakfast? " and 18% answered "pancakes."
based on this data, which of the following conclusions are valid?
choose 1
18% of all students at lincoln junior high school have breakfast as their favorite meal.
18% of all students in the eighth grade at lincoln junior high school have breakfast as their
favorite meal.
18% of all students in the eighth grade at lincoln junior high school have pancakes as their
favorite breakfast, but we cannot conclude anything about the percent of the population who have
breakfast as their favorite meal.

18% of all students in the eighth grade at Lincoln Junior High School have pancakes as their

favorite breakfast, but we cannot conclude anything about the percent of the population who have

breakfast as their favorite meal.

Step-by-step explanation: A is incoorect 18% of all students at Lincoln Junior High School have breakfast as their favorite meal. As they only surveyed 8th grade students on their favorite breakfast we cannot say anthing for the rest of the school.

As for the second answer choice it asks what they like for breakfast not the favorite meal.

Hope this helps.

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.