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Decide first whether the data are qualitative or quantitative. Unless mentioned otherwise, no assumption has been seriously violated, and, therefore, the appropriate test should be selected from amount t, F, or x2 tests. Specify the precise form of the test. For example, specify that the t test is for two population means with related samples, or that the x2 test is for two variables, of that the F test is for repeated measures. For the following question:
A social scientist wishes to determine whether there is a relationship between the attractiveness scores (on a 100-point scale) assigned to college students by a panel of peers and their scores on a paper-and-pencil test of anxiety.
What test is needed (select from above) to analyze the above scenario?
a study is run to estimate the association between exposure to lead paint in childhood and attention-deficit
The repeated-measures analysis of variance can be viewed as a two-stage process. What is the purpose for the second stage? Compare the repeated-measures analysis of variance with the regular ANOVA.
Using statistical software, determine the least squares line for these data. Use the equation of this line to estimate the number of persons per household.
Formulate a linear programming model that can be used to determine the number of units each model that should be produced in order to maximize the total contribution to profit
A 400-V DC shunt motor has ?eld and armature resistances of respectively 100 and 0.1 Ω. If the motor absorbs 40 kW from the electric grid, calculate the line, armature, and ?eld current.
Exposure to Exchange Rates McCanna Corp., a U.S. firm, has a French subsidiary that produces wine and exports to various European countries. All of the countries where it sells its wine use the euro as their currency, which is the same currency u..
At the .05 level of significance is there evidence that population mean waiting time is different from 3.8 minutes?
Should you try and determine on scene if there was more pornography on the computer before attempting to remove it from the scene?
Respond to each of the following questions being sure to show all of your work in the space(s) provided.
Manufacturer of mole and gopher poison has experienced the following monthly demand for an environmentally sound pesticide poison. Using a Average method, what would the forecast have been for July?
An article in Harvard Business Review looked at the percentage of negative media stories about British Petroleum (BP) in 2005 and 2006.
a television ratings analyst estimates that at least 72 of u.s. adults enjoy science fiction shows. in a random sample
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