Renee is studying the effect of positive reinforcement for her psychology class. She gets 8 pigeons, whom are measured for number of correct responses on a memory test before and after reinforcement training. Using a two-tailed test and use the data below to determine whether or not there is a difference between the two measurement conditions. How do you interpret the results of the null hypothesis test

Graph a triangle (xyz) and reflect it over the line y=x to create triangle x’y’z’. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point x’ to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then y’ with the reflecting line? how do you know?