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 11 . The psychologist randomly selects 50 children from this group and finds that their mean IQ score is 110 . 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
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 11 . The psychologist randomly selects 50 children from this group and finds that their mean IQ score is 110 . 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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
Related questions
Question
A psychologist is interested in the
11
. The psychologist randomly selects
50
children from this group and finds that their mean IQ score is
110
. 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.
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