Researchers Randomly Selected 36 Children Who Had Been Identified as Gifted

Researchers randomly selected 36 children who had been identified as gifted from a large city. The IQ of each child and the IQ of the child's mother were measured. You will perform a statistical analysis to determine if IQs of gifted children tend to be higher than their mothers' IQ on average. The mean difference in IQ (child - mother) was 3.22 points, with a standard deviation of 7.41 points. A dotplot of these differences follows.
-The p-value for these data is 0.0067. Select the most appropriate conclusion.

A) We have strong evidence that the IQs of gifted children tend to be higher than their mothers' IQ, on average.
B) We have moderate evidence that the IQs of gifted children tend to be higher than their mothers' IQ, on average.
C) We have weak evidence that the IQs of gifted children tend to be higher than their mothers' IQ, on average.
D) We have no evidence that the IQs of gifted children tend to be higher than their mothers' IQ, on average.