Balanced incomplete blocks Incompleteness necessary if blocks are too small to allow us to run all treatment levels in a block. What does 'Balance' mean? What is the effects model? Model assumptions? Constraints? How to test the effect of the factor?
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- In multiple regression analysis, which model selection procedure permits variables to enter and leave the model at different stages of its development? O Stepwise regression O Backward elimination O Forward selectionPls helpInvestment A woman has $1,400,000 to purchasethree investments. One investment earns 8%, asecond earns 7.5%, and the third earns 10%.a. What investment strategies will give annual earnings of $120,000 from these three investments?b. What one investment strategy will minimize herrisk and return $120,000 if the 10% investmenthas the most risk?
- Please help asap if I get wrong it starts me over2) Multiple Choice (ONE answer) The figure below shows the residual plot for a data set. 6 3 2 4 8 10 А. A random pattern of the residual plot supports a linear model. В A random pattern of the residual plot supports a nonlinear model. C. The data set is linear because the sum of the residuals is greater than zero. D. The data set is nonlinear because the sum of the residuals is greater than zero. ResidualsBad model? A student who has created a linear model isdisappointed to find that her R2 value is a very low 13%.a) Does this mean that a linear model is not appropriate?Explain.b) Does this model allow the student to make accuratepredictions? Explain.
- ©Common Core Performance Assessment County Fair At the county fair, animals are judged for the quality of their breeding and health. The animal pens are arranged in an array, with one animal in each pen. A barn can hold at most 10 rows of pens and at most 6 pens in each row, with room for people to walk around them. What different ways can the planners of the county fair arrange the pens for the horses and cows in the same barn? 4. MP.2 Reasoning How do the quantities given in the problem relate to each other? 22 cows 5. MP.1 Make Sense and Persevere What steps do you need to do first? Explain. When yo you find an for solving can be simi 6. MP.4 Model with Math What are all the factor pairs for the sum of the horses and cows? Represent the factors with a diagram to show how you found all the factor pairs. 7. MP.6 Be Precise What are all the different ways the planners can arrange the pens for the horses and cows in the barn?Please give detail answer i give thumb up do not copy paste pleaseThe outcome variable is degree of brand liking (measured essentially as some sort of percentage). Higher numbers mean it was “liked” more. There are two potential predictors. The first is moisture content which is controlled at levels of 4, 6, 8, and 10. The second is sweetness, the recorded values are 2 and 4. (Matrix plot is attached) Comment on what you expect the regression analysis to show with regard to the relationship of the two predictors with the response. Comment on the scatterplot that shows the predictors against each other. Note that each “point” on this graph in fact represents 2 data points. What does this imply about the “experimental design”? About “collinearity”? About the ways in which we will be able to discuss the effects of moisture and sweetness?