Question: A sociologist develops a test designed to measure a person’s attitudes about disabled people, and 16 randomly selected subjects are given the test. Their mean score is 71.2 with a standard deviation of 10.5. Construct the 99% confidence interval for the mean score of all subjects.

1. [40.26 102.14]
2. [63.46 78.94]
3. [60.66 81.74]
4. [64.44 77.96]
5. [63.21 79.19]

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