Give a research problem using objective method

If y_data = 12 and y_model = 15, what is r²? Group of answer choices -3 3 6 9

Describe in your own words what it means to perform a linear least squares analysis. Provide an example to substantiate your claims

This was not the correct quadratic model for the data

Explain the concept and use of the method of Least Squares

Cellulon, a manufacturer of home insulation, wants to develop guidelines for builders and consumers on how the thickness of the insulation in the attic of a home and the outdoor temperature affect natural gas consumption. In the laboratory, it varied the insulation thickness and temperature. A few of the findings are:   Monthly Natural Gas Consumption (cubic feet), Thickness of Insulation (inches), Outdoor Temperature (ºF), y x1 x2 30.3   6.0   40.0   24.2   12   40   27.9   8   49       On the basis of the sample results, the regression equation is:     yˆy⁢^⁢  = 56.26 − 0.66x1 − 0.59x2     How much natural gas can homeowners expect to use per month if they install 6 inches of insulation and the outdoor temperature is 40 degrees F? (Round your answer to 2 decimal places.)         What effect would installing 7 inches of insulation instead of 6 have on the monthly natural gas consumption (assuming the outdoor temperature remains at 40 degrees F)? (Round your answers…

If the objective function involves more than one independentvariable, how are the extra variables eliminated?

2. How do you identify which variable in a study is the factor?  How do you identify the levels of a factor? How do you identify the dependent variable?

What is the variable requirement for a chi-square analysis?