. The following are advertised sale prices of color televisions at Anderson's Size (inches) Sale Price...
The following are advertised sale prices of color televisions at an electronics store. Size (inches) Sale Price ($) 9 137 20 187 27 297 31 447 35 1177 40 2177 60 2497 a) Calculate the least squares line. Put the equation in the form of: ŷ = a + bx. (Round your answers to three decimal places.) ŷ =___________+__________x b) Find the correlation coefficient r. (Round your answer to four decimal places.) r=____________ c) Find the estimated sale price for...
The following are advertised sale prices of color televisions at an electronics store. Size (inches) 9 20 27 31 Sale Price ($) 137 177 267 447 1177 2177 2497 35 40 60 Part(a) Part (b) Part (c) O Part (d) Calculate the least squares line. Put the equation in the form of: û = a + bx. (Round your answers to three decimal places.) ý = -759.909 + 55.038 x x Part (0) Find the correlation coefficient r. (Round your...
Problem #3 Size (inches) 9 20 27 31 35 40 60 Sale Price ($) 147 197 297 447 1177 2177 2497 Use the data above (size and price of TV sets) Make a scatter plot of the data. Does it appear from inspection that there is a relationship between the variables? Why or why not? Calculate the least squares line. Put the equation in the form of: y= a + bx Find the correlation coefficient. Is it significant? Find...
The table below shows the life expectancy for an individual born in the United States in certain years. Year of Birth Life Expectancy CHART W NUMBERS IS BELOW Part (a) Decide which variable should be the independent variable and which should be the dependent variable. A)Independent: year of birth; Dependent: life expectancy Independent: life expectancy; B) Dependent: year of birth Incorrect: Your answer is incorrect. Part (b) Draw a scatter plot of the ordered pairs. Part (c) Calculate the least...
Chapter 12 Project: Linear Regression and Correlation Student Learning Outcomes: • The student will calculate and construct the line of best fit between two variables. • The student will evaluate the relationship between two variables to determine if that relationship is significant Data The table below gives total fuel efficiency (in miles per gallon) and mass (in kilograms) of 20 new model cars with automatic transmissions. We will use this data to determine the relationship, if any, between the fuel...
Problem 1 Please do not use any type of software to solve this problem; perform all the calculations and draw the charts by hand. You can use your calculator only for simple operations like addition, multiplication, finding averages and standard deviations. The owner of an apartment complex with three-bedroom units is trying to determine what rent he should set for the summer months. He believes that the rent of an apartment in his complex determines if it will be occupied...
Please answer the whole question, I need them all I will give thumbs up This is should be the TAMPALMS.txt (1.292 KB) Property Market_Val Sale_Price 1 181.44 382.0 2 191.00 230.0 3 159.83 220.0 4 189.22 277.0 5 151.61 205.0 6 166.40 250.0 7 157.09 235.0 8 211.74 284.0 9 146.45 247.7 10 131.80 159.0 11 131.05 200.0 12 191.98 285.0 13 138.85 170.0 14 147.95 215.0 15 121.98 149.0 16 113.08 165.0 17 138.02 205.0 18 162.65 262.5 19 ...