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A random sample consisted of 36 patients, the mean of their pulse (sphygmus) is 78 times/min, and sd 6 times/min. a) Calculate the 90% confidence interval for the population mean of health men's pulse (sphygmus) in mountainous area. b) Can you conclude that the mean is significantly higher than 72 times /min (Which is the mean of pulse of health men)? 2. Suppose you survey 81 adult American males and record a mean weight of 194 pounds. The sample standard deviation is 35 pounds. a) Please construct a 95% confidence interval for the population mean. b) Suppose a prominent doctor contends that adult American males have a population mean weight of 220 pounds. Does the sample evidence support the doctor's hypothesis? Note: Please write down the detail steps for the hypothesis test
What is the name of the counting rule used to find all the possible outcomes and how many different items can be uniquely numbered?
How many free premium channels should the research director recommend for inclusion in the 3-For-All service ?
The untreated population mean (those who did not receive the new teaching method) on the exam was p = 100. Using a two-tailed test and a = .05, test to see whether the scores on the math exam for those using the new teaching method was significant..
Draw all of Venn Diagrams - Using circle Venn Diagrams and What are all of the subsets of U?
Describe the discrete-time Markov chain (X(t)) and transition probability matrix What is the probability that a faculty member leaves the department on "bad terms"?
How does the decrease in confidence affect the sample size required?
Are they weak or strong correlations - what is the significance value and what does the significance value reveal about the data we have used?
Use Analyze, Descriptive statistics, Frequencies to summarize nonmetric variables, and create a pie-chart for Year in college and create a histogram for IQ and include the normal distribution.
a.compute descriptive statistics for each stock and the sampp 500. comment on your results. which stocks are most
Variable regression model - matrix of independent variables- multiple regression and, in particular.
Define opportunity loss. What decision-making criteria are used with an opportunity loss table? Explain how a scatter diagram can be used to identify the type of regression to use.
alomega pharmaceuticalsalomega pharmaceuticals is a small to mid size pharmaceutical company. the accounting
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