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Find an example of a poll based on a self-selected sample. Report the wording of the questions and the number who chose each response. Comment on whether or not you think the results can be extended to any population.
If we have 2 groups with 2 characteristics each, what would our critical value be with an alpha of .025?
you toss a fair coin 400 times. us- ing the normal approximation find the approximate probability of getting1 exactly
What is the idea of "least squares"? What is the connection between "least squares" and linear regression?
Estimate the expected number of sites occupied for a given value of p. If p is small, can you choose the tape long enough so that there is a small probability that a new job will have to be turned away (i.e., that all the sites are occupied)?
This problem related to Basic Statistics and it discuss about reasons, disadvantages and advantages of choosing qualitative and quantitative methods of data collection
A study of family income is studied through a sample of 500 randomly selected families. The results can be summarized as the mean family income was 41,000 the median income was 29,000.
A traffic study at one point on an interstate highway shows that vehicle speeds are normally distributed with a mean of 61.3 mph and a standard deviation of 3.3 mph.
You are running a chi-squared test. If you have 5 groups with 3 characteristics each, what would your critical value be with an alpha of .25? a . Between 0 and 3.0
In a worksheet, demonstrate the uncertainties. Find the optimal solution which can maximize the average uncertain profit. Paste screen shoots of your model with formulas, model with solutions, solver setting, simulation setting, and the output dis..
Illustrate a quantitative assessment of what our charts would look like and what these new targets would do to our operations.
Comment on the relative merits of using a .95 confidence interval for addressing the effectiveness of the antipollution device in Exercise.
question a company hired 20 salespeople and gave them an initial sales skills examination test scores ranged from 68
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