subject
Mathematics, 24.06.2019 15:30 vavzincak

Consider the model output below. use it to answer questions 14 – 16.e. regression analysis: avg. tot. score versus avg. salary, %takersmodel summary s r-sq r-sq(adj) r-sq(pred)33.6877 80.56% 79.73% 78.08%coefficientsterm coef se coef t-value p-value vifconstant 987.9 31.9 30.99 0.000avg. salary 2.18 1.03 2.12 0.039 1.61%takers -2.779 0.228 -12.16 0.000 1.61prediction for avg. tot. scorevariable settingavg. salary 40%takers 50 fit se fit 95% ci 95% pi936.181 6.34430 (923.418, 948.945) (867.219, 1005.14)14. under what conditions are the confidence and prediction intervals computed above valid? 15. assuming that the conditions of question 14 are satisfied, which of the following statements is accurate? a. we are 95% confident that a state with an average teacher salary of $40,000 and 50% of eligible students taking the sat will have an ats between 867.219 and 1005.14.b. we are 95% confident that the average ats of all states with an average teacher salary of $40,000 and 50% of eligible students taking the sat will be between 923.418 and 948.945.c. both of the above. d. none of the above

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:00, KindaSmartPersonn
In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?
Answers: 3
image
Mathematics, 21.06.2019 14:30, JustinLaucirica
Consider a graph for the equation y= -3x+4. what is the y intercept? a) 4 b) -4 c) 3 d) -3
Answers: 1
image
Mathematics, 21.06.2019 17:20, clairajogriggsk
Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?
Answers: 2
image
Mathematics, 21.06.2019 21:00, xojade
Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1
Answers: 3
You know the right answer?
Consider the model output below. use it to answer questions 14 – 16.e. regression analysis: avg. to...

Questions in other subjects: