MATH 221 (MATH221)

WEEK 7: QUIZ Points 60 Questions 30 Time Limit 120Minutes Instructions Here is some information about your quiz or exam. This quiz covers Weeks 5 and 6, Chapters 6 and 7, and Course Objectives (COs) 6 and 7. This quiz has 30 multiple choice questions worth 2 points each for a total value of 60 points. You have 120 minutes to finish this quiz. When the time limit is reached you will be exited from the exam. Attempt History Attempt Time Score LATEST Attempt 1 84 minutes 30 out of 60 ...

Final Exam Review Questions – MATH221 You should work each of the following on your own, then review the solutions guide. DO NOT look at the solutions guide first. 1. Determine whether the following are nominal, ordinal, interval, and ratio. a. Daily temperatures in Ripon, WI b. Test scores in statistics class Solution: (a) would be interval as there is no zero while (b) would be ratio as there is a zero. 2. The following numbers represent the weights in pounds of six 7-year old ch...

MATH 221 - Week 4 Quiz/MATH 221 - Week 4 Quiz.

MATH 221 - Week 3 Quiz.

Exam (elaborations) MATH 221 Final Exam study guide solutions | Highly Rated Paper | Download To Score An A+ Final Exam Review Questions – MATH221 You should work each of the following on your own, then review the solutions guide. DO NOT look at the solutions guide first. 1. Determine whether the foll owing are nominal, ordinal, interval, and ratio. a. Daily temperatures in Ripon, WI b. Test scores in...

Jack weighs 160 pounds and his sister weighs 110 pounds. If the mean weight for men his age is 175 with a standard deviation of 14 pounds and the mean weight for women is 145 with a standard deviation of 10 pounds, determine whose weight is closer to "average." Write your answer in terms of z­scores and areas under the normal curve. for Jack z = 1.07 14 15 14 160 175 ≈ − − = − = − σ x µ , when z = ­1.07, area = .1423 for his sister 2.50 10 25 10 110 14...

Final Exam Review Questions – MATH221 You should work each of the following on your own, then review the solutions guide. DO NOT look at the solutions guide first. 1. Determine whether the following are nominal, ordinal, interval, and ratio. a. Daily temperatures in Ripon, WI b. Test scores in statistics class Solution: (a) would be interval as there is no zero while (b) would be ratio as there is a zero. 2. The following numbers represent the weights in pounds of six 7-year old ch...

MATH 221 Statistics for Decision Making Week 2 iLab Name: Tanika Roberson Section Total pts Your pts Graphs (q 1-3) 12 12 Calculation (q 4) 3 3 Interpretation (q 5-11) 35 34 Total 50 49 Ti, terrific lab! Please see the attached file for my specific comments on q 5-11.. Statistical Concepts that you will learn after completing this iLab:  Using Excel for Statistics  Graphics  Shapes of Distributions  Descriptive Statistics  Empirical Rule Week 2 iLab Instructions-BEG...

MATH221 Week 7 Quiz Corrections to versions of Questions 1, 2, 3, 6, 23, 24, 26, 27, 28, 30 Question 1 version 3 (CO6) From a random sample of 68 businesses, it is found that the mean time that e mployees spend on personal issues each week is 45.8 5.8 hours with a standard deviation of 0.35 hours. What is the 95% confidence interval for the amount of time spent on personal issues? @See text page 301 a. (5.74, 5.90) b. (5.71, 5.89) c. (5.73, 5.87) *d. (5.72, 5.88) Question 2 version 1 (CO6) If a ...

MATH221 Week 7 Quiz Corrections to versions of Questions 1, 2, 3, 6, 23, 24, 26, 27, 28, 30 Question 1 version 3 (CO6) From a random sample of 68 businesses, it is found that the mean time that e mployees spend on personal issues each week is 45.8 5.8 hours with a standard deviation of 0.35 hours. What is the 95% confidence interval for the amount of time spent on personal issues? @See text page 301 a. (5.74, 5.90) b. (5.71, 5.89) c. (5.73, 5.87) *d. (5.72, 5.88) Question 2 version 1 (CO6) If a ...