MATH 221 Statistics for Decision Making Week 1 to 8

MATH 221, MATH/221, MATH221 Statistics for Decision Making, iLabs, Quiz, Discussion
8 Pins52 Followers
MATH 221 Week 7 Quiz  1. (TCO 6) In the standard normal distribution, the standard deviation is always  2. (TCO 6) The area under a normal curve with mu = 8 and sigma = 3 is  3. (TCO 6) If Larry gets a 70 on a physics test where the mean is 65 and the standard deviation is 5.8, where does he stand in relation to his classmates?  4. (TCO 6) In a normal distribution with mu = 25 and sigma = 6, what number corresponds to z = 3?  5. (TCO 6) Let’s assume you have taken 100 samples of size 64…

PROJ 595 Week 5 Quiz Questions and Answers. Best Resources for Homework Help, Study Guide, Assignment, Quiz and Final Exam.

MATH 221 Final Exam  1. (TCO 9) The annual Salary of an electrical engineer is given in terms of the years of experience by the table below. Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 45 years of experience. Round to the nearest $100.  2. (TCO 5) A company produces window frames. Based on a statistical analysis, we found that 15% of their product is defective. They have shipped 10 windows to one of their customers. The…

Best Resources for Homework Help, Study Guide, Assignment, Quiz and Final Exam.

MATH 221 Week 5 Quiz  1.(TCO 4) Three members of a club will be selected to serve as officers. The first person selected will be president, the second person will be vice-president and the third will be secretary/treasurer. How many ways can these officers be selected if there are 30 club members?  2. (TCO 4) Which of the following cannot be a probability?  3. (TCO 4) List the sample space of rolling a 6 sided die.  4. (TCO 4) What is the probability of choosing a queen on the 2nd draw if…

MATH 221 Week 5 Quiz Questions and Answers. Best Resources for Homework Help, Study Guide, Assignment, Quiz and Final Exam.

MATH 221 Week 3 Quiz  1. (TCO 1) What method of data collection would you use to collect data for a study of the salaries of college professors at a particular college?  2. (TCO 2) The chances of winning the California Lottery are 1 in 22 million. This statement describes  3. (TCO 2) The colors of automobiles on a used car lot are  4. (TCO 1) A lobbyist for a major airspace firm assigns a number to each legislator and then uses a computer to randomly generate ten numbers. The lobbyist…

PROJ 595 Week 5 Quiz Questions and Answers. Best Resources for Homework Help, Study Guide, Assignment, Quiz and Final Exam.

MATH 221 Week 6 Statistics Lab  Calculations for a set of variables Calculating Descriptive Statistics Calculating Confidence Intervals for one Variable Short Answers Assignment  1. When rolling a die, is this an example of a discrete or continuous random variable? Explain your reasoning. 2. Calculate the mean and standard deviation of the probability distribution created by rolling a die. Either show work or explain how your answer was calculated. 3. Give the mean for the mean column of…

MATH 221 Week 6 Statistics Lab Calculations for a set of variables Calculating Descriptive Statistics Calculating Confidence Intervals for one Variable Short Answers Assignment 1. When rolling a die, is this an example of a discrete or continuous random variable? Explain your reasoning. 2. Calculate the mean and standard deviation of the probability distribution created by rolling a die. Either show work or explain how your answer was calculated. 3. Give the mean for the mean column of…

MATH 221 Statistics – Week 4 iLab  1. Calculate descriptive statistics for the variable where students flipped a coin 10 times. Pull up Stat > Basic Statistics > Display Descriptive Statistics and set Variables: to the coin. The output will show up in your Session Window.Type the mean and the standard deviation here.  Short Answer Writing Assignment  2. List the probability value for each possibility in the binomial experiment that was calculated in MINITAB with the probability of a success…

MATH 221 Week 4 Statistics Lab with Solutions. Best Resources for Homework Help, Study Guide, Assignment, Quiz and Final Exam.

MATH 221 Week 2 iLab  Creating Graphs  1. Create a Pie Chart for the variable Car 2. Create a histogram for the variable Height 3. Create a stem and leaf chart for the variable Money 4. Calculate descriptive statistics for the variable Height by Gender  Short Answer Writing Assignment  All answers should be complete sentences.  5. What is the most common color of car for students who participated in this survey? Explain how you arrived at your answer. 6. What is seen in the histogram…

Best Resources for Homework Help, Study Guide, Assignment, Quiz and Final Exam.

Pinterest
Search