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Several oil companies are jointly planning to build an oil pipeline to connect several southwestern and midwestern cities. The miles between cities are shown in the following table:
Determine a pipeline system that will connect all 10 cities using the minimum number of miles of pipe, and indicate how many miles of pipe will be used.
a survey of statistics undergraduate at prosperity university completed a survey that asked for their verbal and math
If the coefficient of correlation is 0.4, the percentage of variation in the dependent variable explained by the variation in the independent variable
1. determine the number of ways in which a jury of 6 men and 6 women can be selected from a group of 14 men and 13
Describing the results of a hypothesis test of two populations or more than two populations. Include the following: Perform the five-step hypothesis test on data pertaining to your selection.
In Texas, 1991, the weights of babies, the mean birth weight for all babies is 3369 grams, with a standard deviation of 581 grams, (454 grams = 1 pound). Looking at a baby that weighed 16.1 lbs at birth: What would his Z-score be when compared to ..
How large a sample should she check in order to be 93 percent confident that the true proportion is estimated to within 0.014?
What is the expected value (expected profit) of producing an all weather tire? Of producing a high performance tire?
If the sample standard deviation is s = 10, are the data sufficient to conclude that the treatment has significant effect using a two-tailed test with α = .05?
The distribution is normal. The mean numbers of trials to learn maze for the group with the colrful wallpaper is 11. What is the standard deviation of the distribution of means?
several statistical tests have a way to measure effect size. what is this and when might you want to use it in looking
1. in a statistical test of hypotheses we reject the null hypothesis at alpha ifa the p-value is smaller than alpha.b
How does a linear regression allow us to better estimate trends, costs, and other factors in complex situations?
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