Find the distance from each vertex on the preimage, to the center of rotation, P. Enter the values in the table. Do the same for each vertex on the other images.

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.