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Generate 20 random numbers from the uniform distribution with lower boundary a=36 and upper boundary b=72. Plot your data on normal probability paper and draw the CDF of uniform distribution on the same plot, generate 20 sets of 20 random numbers from the above uniform distribution and take from each set the maximum number. Plot this 20 maxima again on normal probability paper derive the theoretical distribution function for this 20 maxima and draw the CDF in the same plot.
If were interested in studying obesity in a small sample size of 10 adult men by looking at their body weights and heights, would you say that trimming the mean is a good idea? What are the advantages of trimming the mean in this situation? What a..
What is the possible uses of regression and correlation analysis in doctoral-level research? Would I be able to use these techniques in my dissertation, or any application in other areas?
Would the null hypothesis be accepted or rejected in this case?
If the mailing list can be considered a random sample of the population, what is the chance that at least 1245 Macintosh users will receive the flyer?
A person decides to take a telephone survey of 40 families in the 721-exchange area (sometimes referred to as prefix). You want an excellent representation of all subscribers in the exchange area.
Multiple choice question based on multiple regression - The coefficient of determination for this model is
In a random sample of 53 concrete specimens, the average porosity (in percent) was 21.6 and the standard deviation was 3.2. a) Find a 90% confidence interval for the mean porosity of specimens of this type of concrete.
Investigate the comparative pros and cons of the mean and the median. Find examples where the mean is more appropriate than the median and vice-versa. Discuss the locations of the mean, median and mode for a normal, left-skewed and right-skewed di..
If Z = 1.96, s = 3, and E = 1, determine the correct sample size.
State in each of given cases whether you would expect relationship between given variables to be positive or negative or neither.
You take a random sample and perform a hypothesis test, getting a p-value of 0.2578. What is the appropriate conclusion? Conclude at the 5% level of significance.
Use the study to estimate the risk of an air bag fatality on a child seated on the front passenger seat.
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