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Briefly comment on the meaning of this data. Be sure to use the terms association, causation, outlier and influential in your response.
Age Groups Localities of ResidenceUrban Suburban Rural TotalsUnder 25 110 150 65
25-50 240 220 75
Over 50 53 112 58
Totals
(a) Compute the marginal frequencies. (List the totals for the age groups and localities).(b) What percent of the urban dwellers are over 50?(c) What percent of the Over-50 residents live in rural areas?(d) Compute the percentage of:i. Urban Dwellersii. Urban Dwellers, given they are Under 25iii. Urban Dwellers, given they are 25-50iv. Urban Dwellers, given they are Over 50
Based on your analyses, do you believe that these data indicate there is a relationship between locality of residence and the ages of the residences? Explain your answer.
Equation of the regression line - Evaluate the equation of the regression line and Find y' when x=47 years.
To determine her blood pressure, Carolyn divides her day into three parts; morning, afternoon, and evening. She then measures her blood pressure at 4 randomly selected times during each part of the day. What type of sampling is used?
Using an investment game, the study demonstrated that people who inhaled oxytocin were more likely to give their money to a trustee compared to people who inhaled an inactive placebo. For this experimental study, identify the independent variable a..
Assume H- to be true. What is the probability that this decision strategy will result in a type I error. Sketch the sampling distribution and put in the region of rejection?
Utilizing jacobian method finding the probability density function. Utilizing either the CDF method or Jacobian method illustrate the probability density function of Y is given.
A mean of 22 miles-per-gallon and a standard deviation of 5 miles-per-gallon. What is the probability that a car will get less than 21 miles-per-gallon.
What is the difference between the critical-value method and the p-value method of hypothesis testing? Include in your post how the question's topic pertains to your health discipline.
The world record time (in minutes) in the marathon is plotted versus the year in which the record was set for men and women separately. The plotting symbol o is used for men and x for women. The data include only records set between 1908 and 1988.
Express Courier Service has found that the delivery time for packages is normally distributed, with mean 13 hours and standard deviation 2 hours.
In a large metropolitan area, past records revealed that 30 percent of all the high school graduates go to college. Each student's choice to go to college is independent. From 20 graduates selected at random, what is the probability that exactly 8 wi..
Describe the five steps of hypothesis testing. Compare Type I and Type II errors and give specific examples for each. Which error should be minimized the most and first?
What percentage of population scored between the mean and Jorge?
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