Strong evidence that the level of autism has increased, History

Assignment Help:

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?


Related Discussions:- Strong evidence that the level of autism has increased

The civil war was very lethal for its participants, The Civil War was very ...

The Civil War was very lethal for its participants. What factors helped to account for the terrible casualty rates of that war?

Describe the most significant plant, please explain because i have been rea...

please explain because i have been reading and do not see the significant difference Describe the most significant plant, animal, and bacterial aspects of the Columbian Exchange -

Leadership of lucretia mott and elizabeth cady stanton, Under the leadershi...

Under the leadership of Lucretia Mott and Elizabeth Cady Stanton, the high point of the Seneca Falls convention was the drafting of the Declaration of? A. Women's Rights. B. Opinio

Significance of passages in the context of jewish history, Write 4-5 senten...

Write 4-5 sentences identifying and explaining the significance of the following passages in the context of Jewish history. Josephus, Antiquities 18:63-64 Deuteronomy 16:1-2 2 C

Analyze how the great depression changed american politics, In your project...

In your project document, compare the Great Depression to one other economic downturn in United States History from the list below. Examples of economic downturns include the fo

Sale of illegal drugs, Give a brief summary of a case from your local or na...

Give a brief summary of a case from your local or national newspaper where the defendant is charged with possession, trafficking, or sale of illegal drugs

Gender movements of the 1960s, To what extent do you think the gender movem...

To what extent do you think the gender movements of the 1960s encompassed more than the rights of women?

Explain which legislative body had the power of impeachment, Which legislat...

Which legislative body had the power of impeachment and wish body has the power to tire a impeached official?

Trade among nations been in influencing globalization, How important has tr...

How important has trade among nations been in influencing globalization? Discuss your answer using specific textbook support.

Explain the american revolution, John Adams once wrote that the American Re...

John Adams once wrote that the American Revolution, to one degree or another, had been in the hearts and minds of colonial Americans all along. Do you think he was right about this

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd