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Descriptive Statistical Method Vs. An Inferential Method
Research at least three quantitative data collection instruments and sampling methods available to researchers using the text and additional resources from the University Library.
Identify two articles in the University Library: one in which the business problem is researched using a descriptive statistical method and another using an inferential method.
Summarize each of the data collection instruments, sampling methods, and the statistical methods.
Write a 1,050- to 1,400-word paper in which you compare and contrast each of the approaches:
Create a 98 percent confidence interval for the population mean.
How many days should be considered if a 95 percent confidence is used and the estimate is to be within one hundred dollars?
5000 light bulbs each with an average life of 500 hours, standard deviation is 100 hours. Find the percentage of bulbs that can be expected to last between 540 hours and 780 hours.
The resident would be interested in joining this recreation center if it were built. Of these 35 indicated they would be interested in joining the recreation center. The population of interest is?
a new test was designed to have a mean of 80 and a standard deviation of 10. a random sample of 20 students at your
Heights were measured for a random sample of 20 plants grown while being treated with a particular nutrient. The sample mean and sample standard deviation of those height measurements were 39 centimeters and 12 centimeters, respectively.
Which binomial probabilities can be approximated by the normal probability distribution? Explain. c) what is the probability of between 100 and 110 successes? d) What is the probability of 130 or more successes?
peace health hospital is interested in buying a robot that helps with valve repairs for cardiovascular surgery. in
What is the standard deviation of the IPSS change for participants in age group 3
You are given the following data. Test the claim that there is a difference in the means of the two groups. Use = 0.01. State the null and alternate hypotheses
A sample of 20 cables is selected and tested. Find the sample mean that will cut off the upper 95% of all samples of size 20 taken from the population.
the computer-science aptitude scorenbspx and the achievement scorenbspynbspmeasured by a comprehensive final were
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