Mathematics, 10.12.2019 21:31 nabulya28
Astudy of bulimia among college women studied the connection between childhood sexual abuse and a measure of family cohesion (the higher the score, the greater the cohesion). the sample mean on the family cohesion scale was 2.2 for 13 sexually abused students (s = 2.2) and 5.1 for 17 non abused students (s = 3.1) .
a. find the standard error for comparing the means.
b. construct a 95% confidence interval for the difference between the mean family cohesion for sexually abused students and non-abused students. interpret.
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