Students in a small statistics class were asked to count the number of scars both on their "dominant" hand (the one they use most often) and on their "off" hand. the summary statistics are provided. it is of interest to compare the average number of scars on the dominant and off hands. n x bar s dominant 25 1.92 2.326 off 25 2.72 3.007 difference (d - o) 25 -0.8 2.363 what is the value of the t test statistic?

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv