Self-Concept and Sightedness. Self-concept can be defined as the general view of oneself in terms of personal value and capabilities. A study of whether visual impairment affects self-concept was reported in the article “An Exploration into Self Concept: A Comparative Analysis between the Adolescents Who Are Sighted and Blind in India” (British Journal of Visual Impairment, Vol. 30, No. 1, pp. 31–41) by S. Halder and P. Datta. Independent random samples of sighted and blind Indian adolescents gave the following data on self-concept. Sightedness Self-concept High Moderate Low Total Sighted 13 73 14 100 Blind 3 40 17 60 Total 16 113 31 160

a. At the 5% significance level, do the data provide sufficient evidence to conclude that a difference exists in self-concept distributions between sighted and blind Indian adolescents?

b. Repeat part

(a) at the 1% significance level.