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Question - Predicting movie revenue: multiple linear regression. Now consider fitting a model using all the explanatory variables.
(a) Write out the statistical model for this analysis, making sure to specify all assumptions.
(b) Run the multiple regression model and specify the fitted regression equation.
(c) Obtain the residuals from part (b) and check assumptions. Comment on any unusual residuals or patterns in the residuals.
(d) What percent of the variability in USRevenue is explained by this model?
A school tracks the absences of pupils as part of a flu surveillance system. Regular reporting of absences among 25 students in grade 1 are taken, and based on these data, the long-run proportion of absences under normal conditions is estimated to..
One state lottery has 500 prizes of $1, 75 prizes of $15, 15 prizes of $100, 5 prizes of $450, 2 prizes of $1225, and 1 prize of 2500. Assume that 28,000 lottery tickets are issues and sold for $1. What is the lottery's expected profit per ticket?
Use confidence interval to determine the estimated margin of error, Then determine the sample mean.
If HIV virus is actually present, the probability that ELIA test will give a positive result from ELISA is .01. If ELISA has given a positive result, use the Bayes' theorem to find the probability that the HIV virus is actually present.
Using the 1% significance level, test the null hypothesis that the proportions of all allergic persons are equally distributed over the four seasons.
A store selling newspapers orders only x=4 of a certain newspaper because the manager does not get many calls for that publication. If the number of requests per day follows a Poisson distribution with mean 3.
montgomery peck and vining 2001 report on a study in which a rocket motor is formed by binding an igniter propellant
an effective way to catch salmon commercially is by gill netting. traditionally gill netters hang long monofilament
In multiple regression, the relative size of the coefficients is not important. For example, your company may have a nationwide hiring program that focuses on hiring employees who have graduated from college in the past 3 years, and let's say you ..
find how many positive integers with exactly four decimal digits that is positive integers between 1000 and 9999
300 randomly selected television viewers were questioned on the main reason they watched particular programs. The results are given below.
the specifications on an electronic component in a target acquisition system are that its life must be between 5000 -
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