Explain in detail how you would go about scientifically determining whether exposure to cigarette smoke causes asthma attacks in children under the age of five. Your answer should explain what type of study you are conducting, as well as including information about your sample size.

Your answer must clearly explain your sample size, the type of study performed (randomized, etc.), what limitations your study might have, and why you think your study will accurately measure how smoke affects children.

What is the goodness of fit test for the multinomial experiment? Explain it to your classmates in detail providing examples. Remember, use your own words and examples.

1. Discuss why a movement back toward the gold standard would NOT be advisable ( for this, I am not even going to give the option of it being advisable. A recent study by the National Bureau of Economic Research polled 100 economists. Not one felt the gold standard to be a viable option any more).

2. After reviewing the Glenn article, what are some of the issues discussed that threaten the current Bretton Woods-inspired international system? Explain in detail.

3. How has the Lahav article impacted your perspective on the refugee issue? Explain in detail.

4. Analyze the Olympic games, what would the Constructivist say about them? Explain in detail.

Genetics: According to genetic theory, the blossom color in the second generation of a certain cross of sweet peas should be red or white. Each plant has a probability of 3/4 of having red blossoms, and the blossom colors of separate plants are independent. You are testing 10 pea plants for their blossoming behavior.

a. Explain why the event “having red blossom” in this specific context is binomial using the four characteristics of a binomial setting.

b. What is the probability that all 10 pea plants do not have red blossoms?

c. What is the probability that at least one of the ten pea plants has red blossoms? (Hint: Use part c) to answer this question)

d. Based on the probability that you computed in part c), would you question the true probability of pea plants developing a red blossom? Explain your answer.

You are working for the Red Sox and are asked to communicate the batting averages to the managers / coaches.
What type of graph, chart would you use and why?

What method of sampling would you used if asked to find out what type of soft drinks/sodas high school students like? How would you collect the data?

You are an analyst in the medical field and your first assignment is in primary care. You want to see which is more extreme – a cholesterol level of 215 or weight of 275 pounds. How would you figure this out using statistics we have learned?

You are a marketing and research analyst for a bank. You want to test the claim that the waiting time for a customer in line is less than 3 minutes. How would you go about this using the steps in a hypothesis test? You need to decide what your confidence level is, sample size etc.
Explain in detail.

In a poll it shows that the candidate for city council in Los Angeles has 49% support plus or minus 3 percentage point margin of error. What does that mean?

Describe the role of statistics in Facebook.

A friend is taking statistics next semester. He has no idea what it is and asks you. How would you explain what statistics and what it is used for?

What is your major/area of study? Discuss how statistics relates to it and where you might see statistical analysis.

Do you think that Section 404 of the Sarbanes-Oxley Act of 2002 has been a success or do you think that the requirements are not worth the cost? Pease explain in detail

The State of Florida is considering raising the fine for red light violations this session. The theory, of course, is that higher fines deter violations. You decide to test this by taking a sample of ten states and record their 2003 state fine for running a red light and the number of cited violations per 1,000 vehicle miles (standard measure in transportation to control for highway volume). Assume enforcement is relatively equal across the states:

State Fine                                                        Violations Measure

                                      50                                                                              10

                                    100                                                                                8

                                    120                                                                                9

                                      40                                                                                7

                                      80                                                                              10

                                      60                                                                              12

                                      90                                                                                7

                                    100                                                                                8

                                      50                                                                                9

                                    110                                                                                2                    

1.State your null formally and in lay terms for a simple regression

2. Calculate r and the regression line (y = a + bx) and reject/accept at a=.05.

3. Explain your findings in lay terms using b (if relevant), r, r-square, and p-value.

4.Calculate a 95% confidence interval for the slope and explain in layterms.

5. Calculate a 95% confidence interval for Y when X is 80, explain in layterms.

Question:Chapter 6, Section 4-D, Exercise 180

Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2.

Samples of size 120 from Population 1 with mean 90 and standard deviation 14 and samples of size 90 from Population 2 with mean 79 and standard deviation 15

Round your answer for the standard error to two decimal places.

standard error = Enter your answer in accordance to the question statement

the absolute tolerance is +/-0.01

Chapter 6, Section 4-D, Exercise 184

Use a t-distribution to answer this question. Assume the samples are random samples from distributions that are reasonably normally distributed, and that a t-statistic will be used for inference about the difference in sample means. State the degrees of freedom used.

Find the endpoints of the t-distribution with 2.5% beyond them in each tail if the samples have sizes n1=17 and n2=21.

Enter the exact answer for the degrees of freedom and round your answer for the endpoints to two decimal places.

degrees of freedom =

endpoints = ±

Chapter 6, Section 4-D, Exercise 186

Use a t-distribution to answer this question. Assume the samples are random samples from distributions that are reasonably normally distributed, and that a t-statistic will be used for inference about the difference in sample means. State the degrees of freedom used.

Find the proportion in a t-distribution less than -1.4 if the samples have sizes n1=30 and n2=40.

Enter the exact answer for the degrees of freedom and round your answer for the area to three decimal places.

degrees of freedom =

proportion =

In your own words, provide 3 methods of buying stocks, and explain the transaction in detail (provide information about the transaction, for example, if one of your methods is buying from an online platform, mention CFDs and explain what it is and how does the transaction works including the kind of commission or fees paid).