sol to term test 1 - Part 1 of 2: ECO220Y Term Test...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Part 1 of 2: ECO220Y Term Test 1(October 29, 2010) Page 1 of 10 PART 1 Last Name: S OL U T I ON S First Name: Student #: Instructors: M. Pivovarova/M.Tanaka Duration: 80 minutes. Allowed aids: A non-programmable calculator and aid sheets provided. Format: This test consists of two parts and a SCANTRON form. For both parts combined there are a total of 80 possible points. BEFORE we announce the end of the test, enter your name and student # on BOTH graded pieces: (1) The pink SCANTRON form (2) Part 1 Part 2: 14 multiple choice questions worth 2.5 points each for a total of 35 points Part 1: 4 written questions worth a total of 45 points For each question we give a guide for your response in brackets. It indicates what is expected: a quantitative analysis, a graph, and/or a written response. For 3 sentences ]” Make sure to focus on answering the specific questions asked. Extraneous analysis does not earn positive marks even if it is correct and may earn negative marks if incorrect. Show your work and answer clearly, concisely, and completely. You do not have to fill all of the blank space: a generous amount is provided for your convenience. Q1 Q2 Q3 Q4 Part 1 Part 2 Total % Mark Point Value 14 10 9 12 45 35
Background image of page 1

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

View Full DocumentRight Arrow Icon
Part 1 of 2: ECO220Y Term Test 1(October 29, 2010) Page 2 of 10 (1) [14 points] Below are the data on the daily temperatures collected by two research assistants for 6 days at 7 am, but in different units – in Farenheit and in Celsius. Day Celsius (C) Farenheit (F) 1 0 32.5 2 -1 30 3 -2 28.5 4 1 33 5 2 35 6 -3 27 (a) [8 points] Find equation to convert Celsius into Farenheit based on the data provided (Note: it might not be the conventional equation used to convert Celsius in Farenheit F=9/5*C+32) [Your work and 1 equation ] Let Celsius be X and Farenheit be Y. First, compute the mean and standard deviations: 5 . 0 6 3 2 1 2 1 0 X 31 6 27 35 33 5 . 28 30 5 . 32 Y  5 . 3 ) 5 . 0 3 ( ) 5 . 0 2 ( ) 5 . 0 1 ( ) 5 . 0 2 ( ) 5 . 0 1 ( ) 5 . 0 0 ( 5 1 2 2 2 2 2 2 2 X s , 87 . 1 X s  1 . 9 ) 31 27 ( ) 31 35 ( ) 31 33 ( ) 31 5 . 28 ( ) 31 30 ( ) 31 5 . 32 ( 5 1 2 2 2 2 2 2 2 Y s 3 Y s 6 . 5 ) 31 27 )( 5 . 0 3 ( ) 31 35 )( 5 . 0 2 ( ) 31 33 )( 5 . 0 1 ( ) 31
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 10

sol to term test 1 - Part 1 of 2: ECO220Y Term Test...

This preview shows document pages 1 - 3. Sign up to view the full document.

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