Write appropriate hypotheses

Reference no: EM13231167

In the 1980s it was generally believed that autism affected about 5% of the nation’s children. Some people believe that the increase in the number of chemicals in the environment has led to an increase in the incidence of autism. A recent study examined 384 children and found that 46 of them showed signs of some form autism

Is this strong evidence that the level of autism has increased?

a) Write appropriate hypotheses.

b) Check the necessary assumptions

c) Perform the mechanics of the test. What is the Pvalue?

d) explain what the pvalue means in the context

e) what is your conclusion?

f) do environment chemicals cause autism?

Reference no: EM13231167

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