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The following table lists some of the techniques/values we have used in class; use this information to answer the following questions:
R-sq
R2 adj
Stepwise RegressionWhole model F testInteraction VariableT test (2-tail) for regression coefficientResidual Plot for NonlinearityT test (1-tail) for regression coefficientVariance inflation factorResidual Plot for HomoscedasticityPrediction intervalStandard Error of Estimate
Trojan Business Analytics Company wants to build a regression model to estimate the Store Revenue for Tara Store located in Malls (the data consists of 80 stores). The Predictors of interest are Size of Store, Number of Employees per Store, Average Income of Residents in Mall Zip code and Number of other stores located in the Mall. Currently the Tara Store is in two Western States of US (California and Oregon). An Indicator variable California is created to enrich the model.
a) Trojan Business Analytics wants to select and get a statistically significant model with significant variables in the model, the technique is
Technique: __________________________
(Note: Each question is independent)
Define random variables and use them to express the total amount the company will have to spend to send these delegations to the two meetings.
The maximum likelihood estimate for D is the number of defectives which gives the highest probability for obtaining the number of defectives observed in the sample. Guess this number D and then write a computer program to verify your guess.
When circuit boards used in the manufacture of compact disc players are tested, the long-run percentage of defectives is 5%. Suppose that a batch of 250 boards has been received and that the condition of any particular board is independent of tha..
The following are a sample of Motorola's stock prices in March 2007.- Find the mean and the variance, plot the data, determine outliers, and construct a box plot.
the pulse rate per minute of adult males is normally distributed with a mean of 72 and a standard deviation of 12. if
Find the proportion of multiples of 3 in the following observations from a random roll of a die. Count carefully.
After bypass surgery and cell injections, this improved to 36 percent, although it was impossible to say how much, if any, of the new strength resulted from the extra cells." Explain why it is not reasonable to generalize to the population of ..
association we know association does not imply causation but what does this mean in your own words. provide and discuss
In our Mocha Frappuccino example, the 12-ounce drink costs $3.50, the 16-ounce drink costs $4.00, and the 24-ounce drink costs $4.50.
For the significance level used in part (a), construct the appropriate confidence interval and verify the conclusion reached in part (a).
suppose certain coins have weights that are normally distributed with a mean od 5.492 g and a standard deviation of
Calculate the probability that at least 19 crashes would occur over the 240-week period if the average number of crashes per week was as calculated in part a.
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