Do the Following Data Indicate That the Variance of the Population

question 6

Essay

Do the following data indicate that the variance of the population from which this sample has been drawn is 17? Use $\alpha$ = 0.05.

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Definitions:

Autism

An autism spectrum disorder characterized by extreme aloneness, communication problems, intolerance of change, and ritualistic behavior.

Childhood Disintegrative Disorder

A rare condition characterized by late onset (at least after two years of normal development) of developmental delays in language, social function, and motor skills.

Asperger's Disorder

A former diagnostic category denoting a higher-functioning form of autism characterized by significant difficulties in social interaction and nonverbal communication, alongside restricted and repetitive patterns of behavior and interests.

Rett's Disorder

A rare genetic neurological and developmental disorder that affects the way the brain develops, leading to a progressive loss of motor skills and speech.