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a psychologist has developed a set of activities which she hopes will help children develop better coping skills. In a study of the effectiveness of
a psychologist has developed a set of activities which she hopes will help children develop better coping skills. In a study of the effectiveness of these activities, one group of second grade children practice these activities. Another class of second grade children serves as the control and is not taught the activities. After some time, the coping skills of these children were assessed. A summary of these data are given below ( the higher the score the better coping)Test the hypothesis that the training made no difference by constructing a confidence interval on each group.
Do the confidence intervals overlap?
Specify the null and alternative
Would you consider this to be a true experience? Why or why not?
