Run a regression analysis on the following data set, wherey is the final grade in a math class and x is the averagenumber of hours the student spent working on math eachweek.hours/weekX5668111214151519Gradey6166.451.464.273.470.874.6889599.6State the regression equation y = mx +b, withconstants accurate to two decimal places.What is the predicted value for the final grade when astudent spends an average of 10 hours each week on math?Grade =Round to 1 decimalplace.

Solution: Here we are using excel to find the linear equation

Answered: Run a regression analysis on the…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter4: Linear Functions

Section: Chapter Questions

Problem 41RE: For the following exercises, consider the data in Table 5, which shows the percent of unemployed in...

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Find the equation of the regression line for the following data set. x 1 2 3 y 0 3 4
For the following exercises, consider the data in Table 5, which shows the percent of unemployed in a city ofpeople25 years or older who are college graduates is given below, by year. 41. Based on the set of data given in Table 7, calculatethe regression line using a calculator or othertechnology tool, and determine the correlationcoefficient to three decimal places.
For the following exercises, consider the data in Table 5, which shows the percent of unemployed ina city of people 25 years or older who are college graduates is given below, by year. 40. Based on the set of data given in Table 6, calculate the regression line using a calculator or other technology tool, and determine the correlation coefficient to three decimal places.
Run a regression analysis on the following data set, where yyis the final grade in a math class and xxis the average number of hours the student spent working on math each week. hours/weekxGradey445.6548661.4107710771284.81376.21699.41910020100 State the regression equation y=m⋅x+by=m⋅x+b, with constants accurate to two decimal places. What is the predicted value for the final grade when a student spends an average of 15 hours each week on math? Grade = Round to 1 decimal place.
Run a regression analysis on the following data set, where yy is the final grade in a math class and xx is the average number of hours the student spent working on math each week. hours/weekx Gradey 4 51.6 5 43 13 82.2 14 90.6 15 89 16 80.4 16 89.4 18 97.2 19 91.6 19 97.6 State the regression equation with constants accurate to 2 decimal places.ˆyy^ = x + What is the predicted value for the final grade when a student spends an average of 11 hours each week on math? Round to 2 decimal places.
Run a regression analysis on the following data set, where yy is the final grade in a math class and xx is the average number of hours the student spent working on math each week. hours/weekx Gradey 5 57 5 49 6 57.4 8 60.2 9 58.6 12 70.8 13 74.2 13 75.2 14 75.6 18 100 State the regression equation y=m⋅x+by=m⋅x+b, with constants accurate to two decimal places. What is the predicted value for the final grade when a student spends an average of 11 hours each week on math?Grade = Round to 1 decimal place.
Run a regression analysis on the following data set, where yy is the final grade in a math class and xx is the average number of hours the student spent working on math each week. hours/weekx Gradey 5 56 9 67.6 10 72 11 75.4 12 66.8 13 89.2 13 71.2 14 86.6 14 83.6 14 88.6 State the regression equation y=m⋅x+by=m⋅x+b, with constants accurate to two decimal places.What is the predicted value for the final grade when a student spends an average of 15 hours each week on math?Grade = Round to 1 decimal place.
The following calculation have been made for the price of 12 stocks(x) on NSEo on a certain day along with volume of sales on share (y) . From these calculations.calculatep the regression equation of price of stocks on volume of shares sigma X=580, sigma Y= 370, sigma XY=11494, sigma X square=41658 Sigma Y square = 17206 ?
Run a regression analysis on the following data set, where y is the final grade in a math class and x is the average number of hours the student spent working on math each week. hours/week (x) Grade (y) 7 66.8 7 56.8 8 69.2 11 67.4 13 77.2 14 86.6 17 86.8 17 84.8 18 98.2 20 100 State the regression equation y=m⋅x+b, with constants accurate to two decimal places? What is the predicted value for the final grade when a student spends an average of 12 hours each week on math? (Round to 1 decimal place) Grade =
The following table shows the annual expenditures, in dollars, per customer unit for residential landline phone services and cellular phone services in the United States in the given year.† Year Landline Cell 2004 592 378 2006 542 524 2008 467 643 2010 401 760 Calculate the regression line for each type of service. (Let t be the time in years since 2004, L be the operating revenue of landline phone services and C be the expenditure of cellular services. Round your regression parameters to two decimal places.) L(t) = C(t) = Determine the expenditure level at which the two lines cross. Round your answer for the expenditure level to one decimal place. million dollars
You estimated a regression with the following output. Source | SS df MS Number of obs = 383 -------------+---------------------------------- F(1, 381) = 1616.74 Model | 20894411.7 1 20894411.7 Prob > F = 0.0000 Residual | 4923967.53 381 12923.7993 R-squared = 0.8093 -------------+---------------------------------- Adj R-squared = 0.8088 Total | 25818379.2 382 67587.3802 Root MSE = 113.68 ------------------------------------------------------------------------------ Y | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- X | 10.5851 .2632541 40.21 0.000 10.06749 11.10272 _cons | 71.97038 19.03739 3.78 0.000 34.53887 109.4019…
Use these data and multiple regression to make predictions of the motel chain’s revenues during the next four quarters. Assume that advertising during each of the next four quarters is $50,000

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