childhood participation in sports and youth groups appears to improve self esteem for adolescents, according to a research. In a representative study done by New York University students, a sample of n =100 adolescents with a history of group participation was given a standardised self esteem questionnaire. For the general population of adolescents, scores on this questionnaire from a normal distribution with a mean of 50 and a standard deviation of 15. The sample of group participation adolescents had an average of 54.0.a) What is the null hypothesis and scientific hypothesis in this problem.b)Does this sample provide enough evidence to conclude that self esteem scores for these adolescents are significantly different from those of the general population? Using a two tailed test with alpha = .05.c) In this context, what is a Type I error?d) In this context, what is a Type II error?