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

Where is saratoga, The Battle of Saratoga was the turning point battle in t...

The Battle of Saratoga was the turning point battle in the War for Independence. Where is Saratoga, what state?

How buddhism and hinduism has evolved over the centuries, Discuss the simil...

Discuss the similarities and differences of Hinduism and Buddhism. Explain how Buddhism and Hinduism has evolved over the centuries. Which faith is more suited for the world that w

Describe the territorial and political issues in sir lanka, As South Asians...

As South Asians migrated worldwide, which occupation did they take. Which cultural traditons did they bring with them? Describe the territorial and political issues in Sir Lanka

Americas during the late stone age, All of the following were food crops gr...

All of the following were food crops grown in the Americas during the late Stone Age (Neolithic) except a. maize. b .white potatoes. c. tomatoes. d. oranges. e. squash.

Meaning of declaration of independence, Describe and explain the background...

Describe and explain the background, purpose, and the meaning of Declaration of independence. Why did this document become part of the American creed?

Evaluate the current health care inflation rate, What is the current health...

What is the current health care inflation rate? It is typically double the regular economic inflation rate. Will health care costs still continue to rise as it has?

What is the h-2a program, What is the H-2A program? What are the flaws that...

What is the H-2A program? What are the flaws that Eric Ruark at the Federation for American Immigration Reform refers to?

The period of exploration and colonization, The period of exploration and c...

The period of exploration and colonization was filled with violence between the Europeans and Natives. Was this violence inevitable, or could it have been avoided?Type your questio

Show the revolutionary period, Where was the most democratic constitution o...

Where was the most democratic constitution of the revolutionary period passed in? Massachussetts New York South carolina Pennsylvania

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