Question

Are good grades in high school associated with family togetherness? A simple random sample
of 142 high-school students was asked how many meals per week (x) their families ate together.
Their responses produced a mean of ¯x = 3.78 meals per week, with a standard deviation of2
sx = 2.2. Researcherss then matched these responses against the students' grade point averages (GPAs). The scatterplot appeared to be
reasonably linear, so they created a regression line. No apparent pattern emerged in the residuals plot. The equation of the line was GPA=2.73+.11(Meals).

What was the mean GPA ?

Answer 1

Meals?

Answer 2

Nope, it says GPA

Answer 3

Well, your prompt says "(Meals)"

Answer 4

The question is c