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A time series trend equation for Hammer Hardware is Y' = 5.6 + 1.2t, where sales are in millions of dollars and t increases by one unit for each year. If the value of sales in the base year of 2016 is $5.6 million, what would be the estimated sales amount for 2018?
To interpret, there were 50 days on which no credit applications were received, 77 days on which only one application was received, and so on. Would it be reasonable to conclude that the population distribution is Poisson with a mean of 2.0. Use the ..
A presidential candidate's aide estimates that, among all college students, the proportion p who intend to vote in the upcoming election is at least 70%.
Calculate the least-squares regression line for these data and discuss its usefulness.
In normal circumstances, the zoo may be able to achieve its target goal and attract an annual attendance equal to 40% of its community. Approximately 35% of all visitors are adults. Children accounted for one-half of the paid attendance. Group ad..
determine the error for each of the following forecasts. compute mad and mse. period value forecast error 1 202 - - 2
Draw a straight or dotted line for graphing. Most especially the below problem. Please assist. Could you also let me know what is the significance of the dotted and straight lines?
warren county telephone company claims in its annual report that the typical customer spends 60 per month on local and
a confidence interval is desired for the true average stray-load loss u watts for a certain type of induction motor
in the following problem check that it is appropriate to use the normal approximation to the binomial. then use the
Draw the scatter diagram of Y against X, and explain any noted significance. Compute correlation coefficient (ρ or r), and what do you find? Make sure to explain thoroughly what you mean
List the elements of the sample space S using the letters G and D for good and defective respectively. What is the mean number of defective hard drives that the small business receives if all their shipments come in sets of five that contain the sa..
I performed a linear regression for the Population to the monthly profit, but do not understand how to use the information. And I do not understand the confidence interval estimate; how do I use and decipher the info.
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