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A study was made by a retail merchant to determine the relation between weekly advertising expenditures and sales. Advertising Costs ($) Sales ($)
40 385 20 400 25 395 20 365 30 475 50 440 40 490 20 420 50 560 40 525 25 480 50 510
(a) Plot a scatter diagram.
(b) Find the equation of the regression line to predict weekly sales from advertising expenditures.
(c) Estimate the weekly sales when advertising costs are $35
in texas holdem assuming that you are dealt a pocket pair determine the probability the the flopa. contains at least 1
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State the analysis of covariance model for a single-factor study with four treatments when there are two concomitant variables, each with linear and quadratic terms in the model.
a random sample of 25 lunch orders at noodles and company showed a mean bill of 10.36 with a asample standard deviation
Suppose a candidate running for sheriff claims that she will reduce the average of emergency response to less than 30 minutes. (30 minutes is thought to be the average response time with the current sheriff.)there are no past records, so the actual s..
in this section you will carry out the following basic estimation and tests of differences using the provided
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Given the following three-equations system, explain why this is not a simultaneous-equations model and Could OLS be used to estimate each equation of this system? Why?
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