Experts agree that early diagnosis of autism spectrum disord…

Questions

Experts аgree thаt eаrly diagnоsis оf autism spectrum disоrders (ASD) is important so children get the support they need to develop, progress, and thrive. The National Center for Biotechnology Information conducted a study in which the ages at diagnosis for a random sample of 421 children with ASD were recorded. The average age was 38.2 months with a standard deviation of 8.7 months. Is the average age at diagnosis for children with ASD greater than 37 months?  Use α=0.05.  Obtain the p-value; include the degrees of freedom. (2 points)