What term describes findings in an experiment that reach conventional statistical significance? Options: nonsignificant, insignificant, significant, unworthy.
1. Find the midpoint of BD where B is at (−5,−6) and D is at (9,11). 2. If M is the midpoint of XY with X(1,−2) and M(7,4), find Y's coordinates. 3. Calculate the length of RS for R(8,2) and S(3,7), rounding to the nearest whole number. 4. Find the weighted average of 6 (weight 4) and 12 (weight 2).