Mathematics, 22.05.2020 05:07 tyreshagarrett123
(2 points) The least squares method requires that the variance σ2σϵ2 of the error variable ϵ is a constant no matter what the value of x is. When this requirement is violated, the condition is called: A. homoscedasticity B. non-independence of ϵ C. heteroscedasticity D. influential observation In regression analysis, the coefficient of determination R2R2 measures the amount of variation in y that is: A. caused by variation in x B. unexplained by variation in x C. explained by variation in x D. both A and B are correct answers Help Entering Answers
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Mathematics, 21.06.2019 13:30
12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain
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Mathematics, 21.06.2019 16:30
What could explain what happened when the time was equal to 120 minutes
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Mathematics, 21.06.2019 17:00
100 points, hi, i’m not sure how to get the equation from the graph and table.
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Mathematics, 21.06.2019 20:00
The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?
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(2 points) The least squares method requires that the variance σ2σϵ2 of the error variable ϵ is a co...
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