An educator wants to determine whether a new curriculum significantly improves standardized test scores for third grade students. she randomly divides 90 third dash graders into two groups. group 1 is taught using the traditional curriculum, while group 2 is taught using the new 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.