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Estimate the standard Error of the Mean for both male and female subject at the 95% confidence Interval)
In a test of the hypothesis that a female flirt at others more than males do, females and male subjects were videotaped while interacting at a conference. During the conference the number of flirtatious actions/remarks observed by each sex was recorded. Using the following number of flirtations actions in the 4 hour period, test the "null hypothesis'
That there are no differences (between males and females) in the number of flirtatious remarks----- or is there??
Males
Females
18
25
21
29
23
24
28
12
16
Determine the best replacement policy over the next five years?
write down the hypothesis the test used the p-value and the interpretation then hand calculates a 95% CL for the odds ratio estimate on this last test.
The heights of young women are approximately normal with mean 65 inches and standard deviation 2.5 inches.
Given 7 male individuals in a Physical Education course, the number of sit ups each individual can do in a one minute period was recorded:
The registrar of a college with a population of N=4,000 full-time students is asked by the president to conduct a survey to measure satisfaction with the quality of life on campus.
Develop a scatter diagram for the data and write a brief summary.
Four properties are randomly selected from each neighborhood and the ratios recorded for each as follows:
What type of error would result in that case? Respond to at least two of your classmate's postings.
To find out the prior probability, conditional probability and posterior probability. Calculate the posterior probability that the bid will be successful given a request for additional information.
Assuming that these are a random sample of all publicly traded companies, construct a 95 % confidence interval for the overall noncompliance proportion.
Solve this problem explicitly using all five steps of hypothesis testing, and illustrate your answer with a sketch showing the comparison distribution
Suppose you found that in doing the hypothesis test, you were able to reject the null hypothesis. What is the most appropriate conclusion to draw?
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