Mathematics, 26.10.2019 02:43 avenhollander
Childhood participation in sports, cultural groups, and youth groups appears to be related to improved self-esteem for adolescents. (mcgee, williams, howden-chapman, martin & kawachi, 2006). in representative study, a sample of n = 100 adolescents with a history of group participation is given a standardized self-esteem questionnaire. for the general population of adolescents scores on this questionnaire form a normal distribution with a mean of ? = 50and a standard deviation of ? =15. the sample group-participation adolescents had an average of m=53.8.a) does the sample provide enough evidence to conclude that self-esteem scores for those adolescents are significantly different from those of the general population? use the two tailed test with a= .05
Answers: 3
Mathematics, 21.06.2019 17:00
Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?
Answers: 1
Mathematics, 21.06.2019 18:50
7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?
Answers: 3
Childhood participation in sports, cultural groups, and youth groups appears to be related to improv...
Biology, 20.04.2020 21:19
Mathematics, 20.04.2020 21:19
Mathematics, 20.04.2020 21:19
Chemistry, 20.04.2020 21:19
Mathematics, 20.04.2020 21:19
Chemistry, 20.04.2020 21:20
Mathematics, 20.04.2020 21:20
Mathematics, 20.04.2020 21:20
Spanish, 20.04.2020 21:20