Question:-6 people were randomly selected and their systolic (x) and diastolic (y) blood pressures were measured. Systolic 138 130 135 140 120 125 Diastolic 92 91 100 100 80 90 Σx = 788, Σy = 553, Σx 2 = 103794, Σy 2 = 51245, Σxy = 72876 (Data)

(A)If systolic blood pressure increases by one unit, then:-

(a) diastolic blood pressure decreases by about 15.5 units

b) diastolic blood pressure decreases by about 0.82 units.

(c) diastolic blood pressure increases by about 15.5 units

(d) diastolic blood pressure increases by about 0.82 units

(e) the response of the diastolic blood pressure cannot be predicted (Explain in detail how..??)

TEST CORRECTIONS 5. In a study on the benefits of eating organic produce, fruit flies were assigned at random to two groups. One group was fed organic potatoes and the other was fed conventional potatoes. At the end of 13 days, the porportion of flies that were still alive was calculated for each group. To address the question of whether more flies would survive eating organic potatoes than conventional potatoes, we use the hypothesis HO: Porganic = Pconventional vs HA: Porganic > Pconventional

Part A: (got this right)

Part B: Suppose our primary concern is to protect the pubic from potentially harmful pesticides, as found in conventional potatues, and that if no statistically significant difference is found from this test, a grocery chain will stop selling organic potatoes. Is it safer to use a large or small significance level here? Explain in detail.

Part C: The p-value for the data in this study is 0.017. What is the conclusion of the test? State the conclusion in detailed context, using non-technical language.

Part D: A very large sample of fruit flies was used for this study. In the end, 35.8% of the flies eating organic potatoes were still alive, compared to 35.4% of the flies eating conventional potatoes. Comment on the PRACTICAL SIGNIFICANCE of this result. Make a clear distinction between practical and statistical significance.

You are playing a version of the roulette game, where the pockets are from 0 to 10 and even numbers are red and odd numbers are black (0 is green). You spin 3 times and add up the values you see. What is the probability that you get a total of 15 given on the first spin you spin a 2? What about a 3?

Solve by simulation and analytically.

A straight vertical wire carries a current of 1.55A downward in a region between the poles of a large electromagnet where the field strength is 0.580T and is horizontal.

Part A: What are the direction of the magnetic force on a 1.00cm section of this wire if the magnetic-field direction is toward the east?

Part B: What are the magnitude of the magnetic force on a 1.00cm section of this wire if the magnetic-field direction is toward the east?

Part C: What are the direction of the magnetic force on a 1.00cm section of this wire if the magnetic-field direction is toward the south?

Part D: What are the magnitude of the magnetic force on a 1.00cm section of this wire if the magnetic-field direction is toward the south?

Part E:

What are the direction of the magnetic force on a 1.00cm section of this wire if the magnetic-field direction is 30.0o south of west ? Please, enter your answer as an angle's value north of west.

Part F: What are the magnitude of the magnetic force on a 1.00cm section of this wire if the magnetic-field direction is 30.0o south of west ?

You are expected to write a “Response Essay”, which has in general 3 sections: Beginning, Middle, and End. These sections should be constructed as follows: • Beginning: A first section that articulates your main idea/thesis or position regarding the question. This lead section states clearly the conclusion you will reach with respect to the question. • Middle: A second section that articulates the reasons that support your conclusion. In this section, you will make arguments based on facts, reasoned arguments based on evidence/logic that would lead to the conclusions you ultimately reach. • End. This section sums up your conclusion, and reiterates the thesis articulated in the beginning section with a decisive argument regarding what you can conclude

David Hume articulated an “Iron Law of Wages” whereby if the market wage rises above the subsistence wage, the population increases and wages fall back to their subsistence level. Was David Hume’s Theory of wages consistent with Thomas Malthus’ theory of wages? Why or why not?

For the following question, please answer in essay format( a page and half long minimum)( if hand written please print legibly and be clear about which part of the question are answering, in complete sentences, with as much detail as possible. Thanks!

What is the chemical composition of the eukaryotic cell membrane? Describe the fluid mosaic model of the plasma membrane in detail, including the phenomenon of membrane asymmetry and how it is maintained. How can the membrane be modified to make it more fluid, or more rigid? How can plasma membrane components be removed in order to study their chemical structures? What movements are possible for these membrane components, and what restrictions are there on such movements?

""The most crucial detail is that thinking promotes social cohesion and consciousness. people acquire new skills and creative ideas by thinking about solutions to everyday problems. The second important concept emphasized is the power of knowledge. This concept equips people with more details and creativity that exceeds our imagination. Decision making is another crucial aspect that the videos teach. It enables people to choose what is right for them and reject things that may have negative consequences. , people can enhance their knowledge by reading books, watching movies, or listening to people’s narratives. However, they should understand that not all information is helpful. Therefore, they should be able to save the information they obtain from various sources to apply only useful and credible details.""

(IN YOUR WORD ) Write your opinion about what the author said. Do you agree with the author, why?

1) How, if at all, is the geographic distance between countries related to the volume of trade between them? Is there a sense in which the world is becoming increasingly “flat,” as Thomas Friedman claims? Is there a sense in which it isn’t?

2) Why are some sectors more efficient when they operate on a large scale? In what sense might this phenomenon have made things for more difficult for sub-Saharan African countries that wish to reap the gains from trade?

3) Suppose workers within a country are identical. Is it possible that some will benefit from globalization while others are made worse off? Explain.

4) How, if at all, might technological catch-up in the emerging markets be a bad thing for the United States?Use the Ricardian model to argue your position.

Please answer the questions in as much detail as possible!

A random sample of n₁ = 286 voters registered in the state of California showed that 140 voted in the last general election. A random sample of n₂ = 221 registered voters in the state of Colorado showed that 126 voted in the most recent general election. Do these data indicate that the population proportion of voter turnout in Colorado is higher than that in California? Use a 5% level of significance.

What is the level of significance?

State the null and alternate hypotheses.

(b) What sampling distribution will you use? What assumptions are you making?

What is the value of the sample test statistic? (Test the difference p₁ − p₂. Do not use rounded values. Round your final answer to two decimal places.)

(c) Find (or estimate) the P-value. (Round your answer to four decimal places.)

Sketch the sampling distribution and show the area corresponding to the P-value.

(d) Based on your answers in parts (a) to (c), will you reject or fail to reject the null hypothesis? Are the data statistically significant at level α?

(e) Interpret your conclusion in the context of the application.

Section 1: Scenarios

Read the following scenarios and state the appropriate test to analyze the data from the list of 7 tests below.

One-sample t-test Two-way ANOVA

Independent-samples t-test Repeated-measures ANOVA

Paired-samples t-test Correlation

One-way ANOVA

1. Squirrel weight: You are a behavioral ecologist interested in the eating habits of squirrels. You hypothesize that squirrels will eat more when the days are longer (e.g., eat more when there is 12 hours of daylight relative to 8 hours of daylight). You record the length of daylight (in hours) and record the weights of squirrels that you (humanely) caught and released throughout the year. Therefore, you have a series of daylight lengths and a corresponding series of squirrel weights. If you wanted to determine whether there is a relation between the length of daylight and squirrel weights, what test would you conduct?

1. Fire-retardant: You are a home builder and recently read about a new fire-retardant product that is supposed to ensure that wood will not burn for temperatures below 300 degrees Fahrenheit. Before selling this product to your customers, you decide to apply the new product to pieces of wood and measure the temperature at which the wood begins to burn to verify whether the new product does indeed prevent burning up to 300 degrees. If you wanted to determine whether temperatures for burning were different than 300 degrees, what test would you conduct?

1. Flood barriers: You are an engineer for the city of Brownsville, Texas and want to test a new flood barrier to determine whether it can hold up against the weather over time. You set up 10 of these new barriers and measure their durability when they were first posted, and then 4, 8, and 12 months after the barriers were posted. If you wanted to determine whether there was a change in durability of the new barrier over time, which test would you conduct?

1. Gas mileage: A new model of car is released and the manufacturer states that it can get 45 mpg. You are skeptical of this claim. Therefore, you ask a sample of individuals who purchased the car what the mpg for their car was for the past month. You want to determine whether mpg from your sample of individuals is different than what the manufacturer states (45 mpg). Which test would be most appropriate to answer this question?

1. Cholesterol: A study is conducted to examine the impact of a new medicine on the cholesterol level in adults. It is also hypothesized that the new medicine may work differently for women and men. Therefore, you recruit 20 women and 20 men and assign 10 women and 10 men to receive the medication. The remaining participants (10 women and 10 men) are assigned to receive a placebo. If you wanted to determine whether the new medication decreases cholesterol and whether there is a difference between women and men in response to the new medication, which test would you conduct?

1. Comparing weight loss programs: You conducted a study comparing the Get Fit and Get Buff weight loss programs between two samples of individuals where one sample participated in the Get Fit program and the other sample participated in the Get Buff program. You record weights from participants in each group at the end of the program. If you wanted to determine which group of individuals had lower body weights, which test would you conduct?

1. Smoking cessation: You are an experimental psychologist who is interested in characterizing the relative effectiveness of two treatments for smoking cessation: a pharmacological (medication) treatment and a contingency management (therapeutic) treatment. You recruit 60 cigarette smokers and randomly assign them to a Control Condition (placebo treatment), a Pharmacological Condition, and a Contingency Management Condition. After 30 days on each treatment, you ask participants how many cigarettes they have smoked in the past week to determine the effectiveness of each treatment. If you wanted to determine the effectiveness of the treatments, relative to each other and to the placebo, which test would you conduct?

1. Club soda: You are an experimental dentist who has heard that drinking club soda is damaging to teeth; however, you have been unable to find the source of this potential rumor. Therefore, to clear up whether club soda is actually damaging to teeth, you decide to survey patients at various dentist offices and ask for the number of club sodas they drink in a week and the number of cavities they have. If you wanted to determine whether there is a relation between drinking club soda and cavities, which test would you run?

1. Probiotics: Recent research suggests that probiotics (i.e., “gut bacteria”) can help in the production of serotonin in the stomach which may be important for targeting a potential treatment for balancing serotonin levels. However, no one is sure whether this translates to blood plasma levels of serotonin in the brain. To determine whether probiotics increase serotonin in blood plasma, you conduct an experiment where you give one group of participants a probiotic supplement and another group of participants a placebo. After one week, you collect blood plasma and measure the volume of serotonin in the participants blood. If you wanted to determine whether the probiotic supplement increased serotonin in the group of participants who received that treatment, relative to the group of participants who received the placebo treatment, which test would you conduct?

1. Cultural Competence: You are a community psychologist interested in the effectiveness of a cultural competence training on individuals’ recognition of their own implicit biases when they confront different cultures. Specifically, you recruit a sample of participants who enroll in the training program. For each participant, you collect baseline scores on a cultural competence scale and, after the training, reassess their cultural competence. If you wanted to determine whether the program is effective in increasing cultural competence according to the cultural competence scale, which test would you conduct?