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Correlation
What results in your departments seem to be correlated or related (either causal or not) to other activities?
How could you verify this?
What are the managerial implications of a correlation between these variables?
Regression
At times we can generate a regression equation to explain outcomes. For example, an employee's salary can often be explained by their pay grade, appraisal rating, education level, etc.
What variables might explain or predict an outcome in your department or life?
If you generated a regression equation, how would you interpret it and the residuals from it?
How many relations on A are both symmetric and antisymmetric?
question 1 a research analyst for an oil company wants to develop a model to predict miles per gallon based on highway
What is wrong with this Function prototype: Function RetumString(ByRef strReturn as String)
For the three vectors in Part 11, find the corresponding values of λ1, λ2, and λ3, compute the determinant of and Create a 3 x 3 matrix X where x1 is 1st column, x2 is 2nd column & x3 is 3rd column.
Determine the Cartesian equation of the plane that has x-, y-, and z-intercepts at 2, -4, and 3 respectively and determine the Cartesian equation of the plane that passes through the origin and is parallel to the plane in part a.
Suppose P(A\B) = P(A), P(A and B) = .42, and P(A) =0.6. What is P(B)?
What is the probability that an employee's pay is $12.88 per hour?
Test the null hypothesis that the slope coefficient is 0 versus the alternative hypothesis of greater than 0 using the probability of type 1 error equal to 0,05 and determine the two-sided 95% and 99% confidence intervals. the simple regression m..
Examine the stem plot for US retail gas price (in dollars per gallon) from May 4, 2012: (You must use proper reasoning when interpreting the stem plot.)
Compute expected frequencies for each of the cells in the table in part c). Do you feel that the exponential distribution provides an adequate description of these data and give an expression for the probability that the point is at the origin aft..
Write a short account commenting on these two methods, explaining why the alternative approach is likely to be considerably quicker for a list of 100 names.
The correlation between number of friends and grade point average (GPA) for 50 adolescents is .37. Is this significant at the .05 level for a two-tailed test?
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