Researchers Randomly Selected 36 Children Who Had Been Identified as Gifted

Multiple Choice

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.
-Which scenario in the Theory-Based Inference applet would you use for these data?

A) One proportion
B) One mean
C) Two proportions
D) Two means