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Dr. Smile is interested in evaluating whether 7-year-old autistic children differ from the general population of...

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Basic Math

Dr. Smile is interested in evaluating whether 7-year-oldautistic children differ from the general population of 7-year-oldchildren in their ability to recognize facial expressions. Shedevelops the Facial Recognition Test, which has mean = 200 amongthe general population of 7-year-olds. Dr. Smile collects data on asample of 16 children with autism. In this sample Xbar = 180 and s= 12.

A) using alpha= 0.05 and a two-tailed test, conduct a one-samplet-test evaluating the null hypothesis.

b) based on these results, should Dr Smile reject or fail toreject the null hypothesis?

c)Report the resukts of the hypothesis test you conducted inpart B as if Dr Smile were writing about them in a journalarticle.

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