Identify the four different types of standards which could be used by a company. and the effects the choice of standard would have on the variances calculated.

GreenLawns provides a lawn fertilizer and weed control service. The company is adding a special aeration treatment as a low-cost extra service option, which it hopes will help attract new customers. Management is planning to promote this new service in two media: radio and direct-mail advertising. A media budget of $2,500 is available for this promotional campaign. Based on past experience in promoting its other services, GreenLawns obtained the following estimate of the relationship between sales and the amount spent on promotion in these two media. S = −2R2 − 10M2 − 8RM + 18R + 34M where S = total sales in thousands of dollars R = thousands of dollars spent on radio advertising M = thousands of dollars spent on direct-mail advertising. GreenLawns would like to develop a promotional strategy that will lead to maximum sales subject to the restriction provided by the media budget. (a) What is the value of sales (in dollars) if $1,500 is spent on radio advertising and $1,000 is…

please answer in excel format showing formulas

part b)

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A small local grocery has seen a decline in sales in the past few months. The owner has made no changes to the store in the last year. In the beginning, the owner thought the sales drop might be seasonal. However, looking at the past few years of sales data, the owner noticed that there had not been any decrease in sales during the same time in the previous years. Design a study to identify what might be the probable ultimate cause/s of the decline in sales for a grocery. For looking at the different causes, consider the box and arrow diagram given. Note the following things about the box and arrow diagram: If the arrow’s head is towards a box, that means the variable in the box (where the arrow’s head is) affects the variable in the box from where the arrow originated. E.g “Revenue/Sales” is affected by the “Number of shoppers/customers”. The boxes in grey are the variables you as a firm/owner can directly expect to affect which can further affect other variables in the model. E.g.…

Global Bikes Inc. (a bicylce manufacturing firm) collected the following data during a study of consumer buying patterns. Observation 1 2 3 4 5 6 7 y= X y 15 70 28 79 38 89 35 86 49 97 42 97 30 82 y = Observation 0.721 + 1890123 a. Create a linear regression line (equation) for the data.(Round your Intermediate calculations and final answers to 3 decimal places.) X 14 16 14 24 21 29 63.229 X y 82 70 68 84 83 91 b. Use the equation determined in part b to predict the expected value of y for x = 49. (Round your Intermediate calculations and final answers to 3 decimal places.)

The number of people visiting the hospital emergency room for chest pains increased as the stock market dropped in 2008 & 2009. The drop in the stock market is probably partly responsible for this increase. Two Things Being Correlated (in the premises) : How They're Purportedly Correlated: Conclusion Argued For (in the conclusion) : Any Plausible Alternate Explanations? (yes or no) : If so, what? (spurious coincidence, common cause, reversed) : Explain this Alternate Explanation: Overall Quality of Argument (good or bad) :

Pls help ASAP on both