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Consider the following age data, which is the result of selecting a random sample of 20 United Airlines pilots.
47 45 45 52 58 55 58 44 42 3845 52 48 47 51 45 52 42 37 40
a. Compute the mean, median, mode, and standard deviation, Q1, Q3, Min, Max for the above sample data on age of pilots.
b. In the context of this situation, interpret the Median, Q1, and Q3.
If the amount of cosmic radiation to which a person is exposed while flying by jet across the US is a random variable having the normal distribution with µ=5.35 mrem, and σ = 0.59 mrem.
The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample men and population mean for a sample of n = 100 is 2 points. Explain the difference in the standard error??
Critically discuss some examples of literature reviews and statistics used and available at your work place or organization? What are they used for and how are they determined?
Describe the given data show a seasonal effect using moving average method. Describe the data which show a seasonal effect.
Construct a grouped frequency distribution using six classes.
The proportion of parts in an inventory that are outdated and no longer useful is thought to be 0.10. To check this, a random sample of n = 100 parts is selected and 14 are found to be outdated. Based upon this information, what is the probability..
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.
let the number of trials be n = 3, and let the probability of success be p = 0.0228. Use a calculator to compare:
Doctors nationally believe that 68% of a certain type of operation are successful. In a particular hospital 47 of these operations were observed and 37 of them were successful. At a = 0.05 is this hospital's success rate different from the nationa..
Workers at a large toxic clean up project are concerned that their white blood cell counts may have been reduced. Let x be a random variable that represents white blood cell count per cubic millimeter of whole blood in a healthy adult.
Is the hot-air balloon significantly shorter than light rail? How can you tell? What do you tell university officials?
The standard deviation of the differences d for the paired sample data s d = ____________
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