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Distinguish between a minimization and maximization LP model.
Other than minimizing costs and maximizing profits, give a real-world example of where you would want to minimize something or maximize something.
A coin was flipped 60 times and came up heads 36 times. Determine the critical value you would use to test whether proportion of heads is greater than 0.50 at 10% level of significance?
Test the hypothesis that there is no difference between the means of retailers (α= .05). Select a multiple comparison test, if necessary, to determine which groups differ in mean sales (α= .05).
At 1 excavation site 8641 pot shards have been found that have not presently been cleaned also identified. Define the probability.
Probability based on addition rule - Find the probability that a randomly chosen sold automobile from this sample is silver or an SUV?
Below are the sample times in minutes. At the .05 significance level, can we conclude that there is a difference in their mean times?
Determine what analysis would you do on each problem (i.e., one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
Produce a printout of the frequency tables, showing the total of both frequencies.
To determine whether there is a difference in the proportion of viewers watching the three channels.
Find out the range (R), variance (V) and standard deviation (s) for the given set of values:
What statistical test did the researchers use to determine if there was a statistically significant difference in levels of self-esteem between the boys and the girls?
Plot fitted values against residuals. Does this plot point out any problems with homoscedasticity?
Best Electronics, Inc. offers a "no hassle" returns policy. The number of items returned per day follows the normal distribution. The mean number of customer returns is 10.4 per day and the standard deviation is 2.3 per day.
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