A psychologist is interested in the mean IQ score of a given group of children...
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A psychologist is interested in the mean IQ score of a given group of children It is known that the IQ scores of the group have a standard deviation of 14 The psychologist randomly selects 50 children from this group and finds that their mean IQ score is 106 Based on this sample find a 95 confidence interval for the true mean IQ score for all children of this group Then give its lower limit and upper limit Carry your intermediate computations to at least three decimal places Round your answers to one decimal place If necessary consult a list of formulas Lower limit Upper limit X
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