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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 assumptionsc) Perform the mechanics of the test. What is the Pvalue?d) explain what the pvalue means in the contexte) what is your conclusion?f) do environment chemicals cause autism?
In the years following the Civil War, people in the north appeared to have abandoned African-Americans to their fates at the hands of white southerners. Why did the north ignore
Despite an economic turn-around in 1983, Use the timeline and your knowledge of social studies to answer the following question. A. inflation rose dramatically. B. tax rates
describe the factors which decide the broad area of scientific activity?
Question 1 Discuss the development of economic thought in its early phases Question 2 Discuss the tax system in ancient India as it is laid down in Manusmriti Que
1. How does the nature of the Muslim's relationship to God compare to that of the Jew and Christians? 2. How does Islam view non-Muslims? 3. What evidence is there to explain
Good weather, sufficient supplies, and secrecy were the keys to the success of the Allies' cross-channel invasion of France. After the invasion of France, general Eisenhower ord
What roles did women play in the Civil Rights movement? Discuss at least 2 female activists. (at least 5 sentences)
Hip-hop musician Chuck D of Public Enemy said, "Rap music is like CNN for black people." What do you think?
The Tennessee Valley Authority a. was a monopoly established in the 1980s in an effort to control all the energy resources of the Tennessee River Valley b. was a government program
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