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 16 . The psychologist randomly selects 150 children from this group and finds that their mean IQ score is 103 . Based on this sample, find a 99% 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 16 . The psychologist randomly selects 150 children from this group and finds that their mean IQ score is 103 . Based on this sample, find a 99% 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
16
. The psychologist randomly selects
150
children from this group and finds that their mean IQ score is
103
. Based on this sample, find a
99%
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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