Table I Means and standard deviations Subscale M SD School Panicipation With hearing-impaired students 19.5 5.1 With hearing students 17.4 5.1 Social Activities With hearing-impaired students 18.5 5.6 With hearing students 19.0 5.5 Emotional Security With hearing-impaired students 22.2 3.7 With hearing students 21.6 3.8 Calculate the limits of the 99% confidence interval of the mean for social activities ofhearingimpaired students. (Note that you calculated the 68% and 95% confidence limits for this variable in questions 6 and 7 above.)