A Sociologist Develops a Test Designed to Measure a Person's

Multiple Choice

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.

A) [40.26 102.14]
B) [63.46 78.94]
C) [60.66 81.74]
D) [64.44 77.96]
E) [63.21 79.19]