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Suppose that we regress the number of races a marathon runner wins on the average time it takes the runner in a marathon in minutes and get the estimates for the intercept and slope coefficient respectively. Now we run the same regression but measure the average finishing time in hours instead of minutes and get a new set of estimated coefficients. Will the new slope be smaller or larger than the old slope?
When modelling E(y) with single qualitative independent variable, number of 0 - 1 dummy variables in model is equal to number of levels of qualitative variable.
Three are selected, at random, without replacement from the batch. What is the probability that the third is not defective given that one of the previous two are defective?
stages of development in supplier partnerships - last process step in the product innovation model for customer retention
Formulate and solve a linear optimization model using the auxiliary variable cells method and short memo to the production manager explaining the sensitivity.
What is an index number as relates to time series analysis? In a regression of a time series that states data as a function of calendar year, what requirement of regression is violated?
Is Magnuson suggesting there is bias because the individuals are not representative of the larger population, or bias in the assessment of variables' values
given the correlation value between anxiety and exam score could you assume that heightened anxiety is causing at least
Critically evaluate the following statement made by a marketing executive: "Advertising is good because it always promotes competition."
Begin by writing an interpretation of a low correlation and a high correlation. Then calculate an rs and choose the correct interpretation.
For which of the following would it be inappropriate to display the data with a single pie chart? The distribution of car colors for vehicles purchased.
Shoes How many pairs of shoes do students have? Do girls have more shoes than boys? Here are data from a random sample of 20 female and 20 male students.
a process capability study is conducted for a mold. you are tasked to evaluate if the process will yield a greater than
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