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Explain (i) the hypotheses with a plausible definition of p or µ, (ii) whether or not the data indicate practical significance (use common sense and/or general knowledge), and (iii) whether or not the data indicate statistical significance.
1. In a large county in Louisiana, 26% of registered voters are Black. Black leaders in the county are concerned that these numbers are not reflected adequately in the jury selection process used in the county. As evidence, they point out that last week only 18% of those selected for jury duty in the county were Black. The corresponding p-value for the Z-test was 0.12.
2. With the standard chemotherapy treatment, the 5-year survival rate for cancer of the blood is 19%. A new drug has been developed that will, it is anticipated, increase the 5-year survival rate for this type of cancer when used in conjunction with the standard chemotherapy. In a large-scale clinical trial, 19.3% of patients with cancer of the blood who were treated with the new drug (and the chemotherapy) survived beyond 5 years. The p-value for the one-sample Z-test was reported as 0.19.
3. With the standard treatment for incurable abdominal cancer the mean survival time is 46.6 months from the date of diagnosis. A new experimental treatment that it is hoped will increase the average survival time was tested on 280 patients. The average survival time in the trial was 47.1 months. The corresponding p-value was 0.183
Discuss the potential benefits you and the partners will receive from exchanging information. Examine and outline the risks of exchanging data with other partners.
This problem related to Basic Statistics and it is about computing the probability of finding a car door on the assembly which takes time between 5 and 10 minutes. The computation has been given in the solution
question a recent national survey asked adults if they thought the government should continue to fund nasas efforts
Consider a discrete-time wide sense stationary random processes whose autocorrelation function is of the form- Is the process ergodic in the mean?
about 30 of adults say that reading is a favorite leisure activity. let success be the outcome that reading is a
Interpret the estimated coefficient for the toxemia variable and what are the odds of a hemorrhage for infants whose mother had toxemia?
Determine the expected value of the sample mean. - Determine the variance of the sample mean. - Determine the expected value of the unbiased sample variance.
an economist wanted to investigate the relationship between office rents the dependent variable and vacancy rates.
In a random sample of 120 households, what is the probability that greater than 20 households, but, less than 35 households receive a retirement income?
assume that the median blood cholesterol level for a healthy 30-year-old male is 200 mg100 ml. blood cholesterol
Find the probability that exactly two people will name "talking on cell phones".p(2)
What symbol is used to represent the mean of the sampling distribution of y-(ybar)? Explain and what symbol is used to represent one value from the sampling distribution of y-(ybar)? Explain
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