Final exam Dec 2005, omit 5, 17, 24, 35, 37, 39,40, 48, 62,63,65-68,73,74

Final exam Dec 2005, omit 5, 17, 24, 35, 37, 39,40, 48, 62,63,65-68,73,74

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Math 1P98 December 10 2005 page 1 of 22 BROCK UNIVERSITY Final Examination: December 2005 Number of pages 22 Course: Math 1P98 Number of Students Date of Examination: Dec 10 2005 Instructors: D. Miners, C. Buteau Time of Examination: 12:00-15:00 S. Yee Name __________________________________ Student Number______________ Write your name on the scantron sheet and shade in the boxes corresponding to your student number. Then paperclip the scantron sheet to the back of your exam paper where it must stay. Do not remove it under any circumstances. Two pieces of colour paper, containing hand writing and nothing glued, attached, printed or photocopied on this paper, and a calculator with two or less lines of display ar the only aids permitted. Graphing calculators are not allowed. Use or possession of unauthorized materials wil result in a grade of zero for this examination. Also note that in order to pass this course you must obtain at least 30% on this examination. Answer all questions with the best answer from the choices given. Answer by shading in the box on the scantron sheet in pencil. Also write your answers in this examination paper. Both this examination paper and the scantron sheet must be handed in when you are finished.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Math 1P98 December 10 2005 page 2 of 22 Note that 'test statistic' refers to the z, t, P ², F, R or r s as has been used in previous tests and assignments. ( In the text book this is referred to as the 'standardized statistic' for z and t distributions) The following questions #1- #26 are worth 1 mark each. Note that "none of the above" choice refers to answers at least 0.05 different than the given answers. The regression analysis is done for a carpet company on data from six observations on the first of each month July (month 1) to December ( month 6) and the number of hours the window blinds are opened in a house. Assume the variables are normally distributed. Regression Analysis: hours versus month The regression equation is hours = 13.4 - 1.24 month Predictor Coef SE Coef T P Constant 13.433 1.410 9.53 0.001 month -1.2429 0.3621 -3.43 0.026 S = 1.51461 R-Sq = 74.7% R-Sq(adj) = 68.3% Analysis of Variance Source DF SS MS F P Regression 1 27.032 27.032 11.78 0.026 Residual Error 4 9.176 2.294 Total 5 36.208 Predicted Values for New Observations New Obs Fit SE Fit 98% CI 98% PI 1 9.083 0.618 (6.766, 11.400) (2.953, 15.213) Values of Predictors for New Observations New Obs month 1 3.50 1. The slope of the regression line is: a. -3.43 b. 13.4 c. 0.864 d. -1.24 e. none of the above
Background image of page 2
Math 1P98 December 10 2005 page 3 of 22 2. The upper bound of the 98% prediction interval for the specified date is a. 11.400 b. 15.213 c. 9.083 d. 2.953 e. none of the above. 3.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/03/2011 for the course MATH 1p98 taught by Professor Miners during the Fall '10 term at Brock University.

Page1 / 22

Final exam Dec 2005, omit 5, 17, 24, 35, 37, 39,40, 48, 62,63,65-68,73,74

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online