The value of a function in the form f(x)=ax2+bx+c is negative. Which statement must b true?

Solution: An educator wants to determine whether a new curriculum significantly improves standardized test scores for students. she randomly divides 70 students into two groups. group 1 is taught using the new curriculum, while group 2 is taught using the traditional curriculum. at the end of the school year, both groups are given the standardized test and the mean scores are compared. determine whether the sampling is dependent or independent. indicate whether the response variable is qualitative or quantitative

The given sampling is independent.

And the response variable is quantitative.