Math 144 - Statistics for Business, Economics, and Management

EXAM III DATA

The FINAL EXAM is on Tuesday May 7 from 1:30 to 4:00. Location Williams 225.

Regression Formulas

ONLINE QUIZ: There is usually an online quiz that needs to be completed by Friday at midnight and another one that must be done over the weekend. Check MyStatLab to see if there is a quiz.

MyLab Line After Registering

HOMEWORK
  • Week of Jan 21.
    • M: Break
    • T: Read Chapter 1 and 2. Collect data. Send email.
    • W: (pg 22) 1, 3, 5
    • R: (pg 22) 7, 15, (pg 48) 5, 7 (a, b, d, f), 9 (a, b, d, f), Read 3.1-3.3, 3.6
    • F: (pg 22) 17, (pg 48) 11 (a, b, d, f), 13 (a, b, d, f), Read Chapter 4
    • S: (pg 48) 15 (a, b, d, f), 17, (pg 74) 5, 7, 9
  • Week of Jan 28.
    • M: (pg 22) 19, (pg 74) 11, 13, 15, 17
    • T: (pg 74) 19, 21, (pg 116) 3, 5, Read 5.1-5.10
    • W: (pg 74) 23, 25, (pg 116) 7, 11, 15
    • R: (pg 74) 27, 31, (pg 116) 23, 29, 31, 33 (pg 197) 1, 5, Read 7.1-7.5
      ****Homework Folder Due on Friday Feb 1 and must include all the problems above.****
    • F: (pg 116) 37, (pg 197) 7, 9, 11
    • S: (pg 116) 57, (pg 197) 15, 17, 19,
Sheet 1 referred to below
  • Week of Feb 4.
    • M: Catch Up
    • T: (pg 74) 35, 43, (pg 197) 23
    • W: (pg 197) 27, 37 Read 5.6,5.7, 9.1
    • R: (pg 197) 39, 41, 43, (sheet 1) 15
    • F: (pg 197) 29, 47, (sheet 1) 17
    • S: (sheet 1)11, 19
Binomial referred to below
  • Week of Feb 11.
    • M: (pg 197) 31, (Binomial) 5.22, 5.23, 5.24, 5.25, 5.27, 5.37
    • T: (sheet 1) 16 (Binomial) 5.39, 5.41 (don't use Normal Approximation)
    • W: (sheet 1) 18, 20, (Binomial) 5.43 (don't need normal model) (pg 245) 39
    • R: Exam Prep
    • F: Exam I In class today.
    • S: None
****Homework Folder Due on Friday Feb 15 and must include all the problems above and after the first homework folder was due.****
  • Week of Feb 18.
    • M: Read pages 221-234. (pg 245) 41, 43,4 5
    • T: (pg 245) 47, 49, 51
    • W: (pg 245) 53, 59, 61, 63 (pg 280) 5
    • R: Read 9.2, 9.3, (pg 280) 1, 3
    • F:(pg 245) 65 (pg 280) 7
    • S: Read 9.4, 11.1 (pg 245) 67 (pg 280) 9
Sheet 3 referred to below
Sheet 3 Even Solutions
  • Week of Feb 25.
    • M: Read 9.4, 11.1, (pg 248) 69, 71, Read 9.7-9.10, ***Homework Folder Due on Friday March 1 and must include all the problems above.****
    • T: (pg 346) 3, 5, 7, Read 9.5 and 9.6
    • W: (sheet 3) 25, 26, (pg 280) 13, 15, Read 9.8
    • R: Read 9.9, (sheet 3) 27, 28, (pg 280) 25, 27
    • F: (pg 280) 17, 19, 29, 31
    • S: (pg 280) 33, 35, 37
  • Week of March 4.
    • M: Read Chapter 10.1-10.5, (pg 280) 13, 53, 55
    • T: Read Chapter 10.6, 10.8-10.9, (pg 280) 21, 51, 57
    • W: (pg 280) 49, 59, (pg 314) 21, 23
    • R: (pg 314) 25, 31, 35, 37
    • F: (pg 314) 11, 15, 33,
    • S: Break
  • Week of March 18.
    • M: Read 11.3-11.9, (pg 314) 19, 39, (pg 346) 19, 23, 37, 39, 49
    • T: (pg 314) 43, 45, (pg 346) 25, 33, 51, 53, 59
    • W: (pg 314) 47,(pg 346) 15, 17
    • R: Review for test.
    • F: Exam II in class today
    • S: Break.
***Homework Folder Due on Friday March 22 and must include all the problems above and after the last time the homework folder was due.****
  • Week of March 25.
    • M: Read 12.1-12.5, (pg 385) 1, 3
    • T: Read 3.4, 3.5, and 3.7, (pg 385) 5, 9, 11
    • W: (pg 385) 13, 15, 17, (pg 50) 25, 27
    • R: (pg 385) 19, 21, (pg 50) 29, Read 13.4-13.6
    • F: (pg 385) 25, 29, (pg 50) 31, (pg 423) 9 (skip f, g find p-value with calculator)
    • S: (pg 385) 27, 31, (pg 50) 35, (pg 423) 13
  • Week of April 1.
    • M: Read 6.1-6.4, (pg 385) 35, 37, (pg 50) 37, (pg 423) 17, 23
    • T: (pg 50) 39, (pg 423) 19, 25,
    • W: (pg 385) 41, 43, (pg 423) 21, 27, (pg 164) 3, Create a scatter plot and describe its form, direction and strength for the (Pizza Sales Data Set), which is the weekly sales in pounds and the price. Also find and interpret the correlation coefficient.
    • R: (pg 164) 5, 7, Create a scatter plot and describe its form, direction and strength for the (Football Salaries and Wins Data Set). Also find and interpret the correlation coefficient.
    • F: (pg 164) 1, Create a scatter plot of GDP growth of developing countries versus developed countries and describe its form, direction and strength. (GDP Data Set) Also find and interpret the correlation coefficient.
    • S: (pg 166) 9, 11, 13
  • Week of April 8.
  • Week of April 15.
    • M: Catch up.
    • T: Read Chapter 14, (pg 468) 3, 5, 7
    • W: (pg 470) 9, 11, 17
    • R: (pg 470) 17, 19, 23. 25
    • F: (pg 470) 41 also find a 95% confidence interval for the slope (answer: (0.2630 +/- (2.16)( 0.9038)) , 95% prediction interval for speed of 3.9 (answer: (-2.45, 16.72))
    • S: (pg 470) 31 (Data Set) also find 95% CI for slope (answer: ( 0.06216 +/- (2.04)( 0.03932)) , and 95% prediction interval for a salary of $115 Million (answer: (2.943, 14.920)).
  • Week of April 22.
    • M/T: (pg 505) 13, 15, 19, 21, 27, 28, 29, Use the class data set (below) to find a multiple regression line to predict weight (in other words do hypothesis tests to see which variables are significant. What is the predicted weight of a freshman 70 inch male business major born in July with a SAT-verbal of 530 and SAT-math of 600, a shoe size of 12 who has visited 3 countries and has 2 siblings. How good do you think this prediction is? Now use only height to predict weight and find a 90% confidence interval for the slope, and 90% prediction and confidence intervals for students 70 inches tall.
    • ***Homework Folder Cutoff for Exam III***
    • W: Study for exam III.
    • R: Study for exam III.
    • F: Exam III in class today.
    • S: Work on project and bonus problems
  • Due on Monday January 28.
    • (pg 22) 8, 14
  • Due on Friday Feb 1.
    • (pg 48) 10 (a, b, d, f), 16 (a, b, d, f)
    • (pg 74) 18, 22, 36
  • Due on Friday Feb 9.
    • (pg 116) 8, 16, 34, 38
    • (pg 197) 18, 48, 50
  • Due on Friday Feb 22.
    • (pg 246) 46, 52, 54
  • Due on Wednesday Feb 27.
    • Read pages 1-26 in Stat-Spotting. Write a brief typed report with the following two sections (1) Summarize the key points of the reading and (2) Give two or three clear and articulated examples of how what you read relates to what we have covered in the course. Roughly speaking this should be about two pages and you may print on both sides of the paper.
  • Due on Friday March 1.
    • (pg 280) 6, 8, (pg 346) 2, 6
  • Due on Friday March 8.
    • World Peak Oil Sheet (will hand out in class on Monday 3/4)
  • Due on Friday March 8.
    • (pg 247) 68
    • (pg 280) 26, 38, 54, 56,
ONLINE QUIZ: There is usually an online quiz that needs to be completed by Friday at midnight and another one that must be done over the weekend. Check MyStatLab to see if there is a quiz.
  • Due on Wednesday March 27.
    • Read pages 27-63 in Stat-Spotting. Write a brief typed report with the following two sections (1) Summarize the key points of the reading and (2) Give two or three clear and articulated examples of how what you read relates to what we have covered in the course. Roughly speaking this should be about two pages and you may print on both sides of the paper.
  • Due on Friday March 29.
    • (pg 385) 8, 10
  • Due on Friday April 5.
    • (pg 385) 12, 16, 22
    • (pg 50) 30, 34
    • (pg 425) 10 (skip d, g, j)
  • Due on Friday April 12.
    • Project Proposal must be approved by April 12.
  • Due on Friday April 12.
    • (pg 423) 14 (skip a), 20
    • (pg 164) 2, 8, 12
  • Due on Wednesday April 17.
    • Read pages 64-85 in Stat-Spotting. Write a brief typed report with the following two sections (1) Summarize the key points of the reading and (2) Give two or three clear and articulated examples of how what you read relates to what we have covered in the course. Roughly speaking this should be about two pages and you may print on both sides of the paper.
  • Due on Wednesday May 1.
    • Read pages 103-116 in Stat-Spotting. Write a brief typed report with the following two sections (1) Summarize the key points of the reading and (2) Explain how the project you were involved with either did or did not produce "better data" and relate this to the reading. Roughly speaking this should be about two pages and you may print on both sides of the paper.
  • Bonus Problems Due on Wednesday May 1.
    • (pg 22) 12
    • (pg 48) 14 (a, b, d, f)
    • (pg 74) 24
    • (pg 124) 42
    • (pg 200) 38
    • (pg 280) 10
    • (pg 346) 8 (a, c)
    • (pg 282) 28
    • (pg 317) 30
    • (pg 318) 44
    • (pg 351) 44
    • (pg 389) 24

STUDENT INFO
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Created by Thomas J. Pfaff and last updated on 1/8/13. Send questions or comments to tpfaff(at)ithaca.edu.