Reference no: EM13820653
School Bullying is a form of aggressive behavior that occurs when a student is exposed repeatedly to negative actions from another student. In order to study the effectiveness of an anti bullying policy at schools, a survey of over 2,000 children was conducted. Each student was asked if he or she ever bullied another student. In A sample of 1358 boys, 746 claimed they never bullied another student. In a sample of 1379 girls,967 claimed they never bullied another student, Complete a-f below.
a. Give the point estimate for the proportion of boys who claimed they never bullied another student.
b. Give the point estimate for the proportion of girls who claimed they never bullied another student.
c. Give the point estimate for the difference between the proportion of boys who claimed they have never bullied another student and the girls who claim they have never bullied another student.
D. construct a 90% confidence interval for the difference between proportions of boys and girls who never bullied another student,
the 90% confidence interval is (-,-)
e. Give the practical interpretation of the interval part D chose the correct answer.
f. Explain the meaning of the confidence level being 90%.
a. The probability that an interval estimator encloses the population parameter is 0.90
b. The probability that an interval estimator excludes the population parameter is 0.90
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