Discussion Post: Forecasting Models: Strengths and Caveats Forecasting models have their strengths, but also their caveats. Present an example in which a forecasting model could be used, what method you would choose and why? What are the particular strengths of the model and what would it be used for? What should we be skeptical or … Read more
Pelican Stores, a division of National Clothing, is a chain of women’s apparel stores operating throughout the country. The chain recently ran a promotion in which discount coupons were sent to customers of other National Clothing stores. Data collected for a sample of 100 in-store credit card transactions at Pelican Stores during one day … Read more
Matt Kenseth won the 2012 Daytona 500, the most important race of the NASCAR season. His win was no surprise because for the 2011 season he finished fourth in the point standings with 2330 points, behind Tony Stewart (2403 points), Carl Edwards (2403 points), and Kevin Harvick (2345 points). In 2011 he earned $6,183,580 by … Read more
Confidence Intervals-Statistics and Probability To produce a successful project you must: Background: For this assignment, you will use a StatCrunch file containing the survey results dating back to 2004 for two questions from the GPSS. The first asks, “In politics, as of today, do you consider yourself a Republican, a Democrat or an independent?” If … Read more
book : Business Statistics: Communicating with Numbers, 2nd Edition by Alison Kelly, Sanjiv Jaggia, ISBN-13: 9780078020551. Homework 4 Q1. Business Statistics, Ch 7: Exercise 7.1 (pg236) Problem 3 Q2-5. Business Statistics, Ch 7: Exercise 7.2 (pg242) Problem 7, 11, 13, 15 Q6-10. Business Statistics, Ch 8: Exercise 8.1 (pg276) Problem 3, 4, 7, 9, … Read more
In your own words, explain how prime factorization is useful to find the greatest common factor and least common multiple. Describe the set of natural numbers in your own words. What is the difference between a prime number and a composite number? What are equivalent fractions? Explain how two fractions can be … Read more
book : Business Statistics: Communicating with Numbers, 2nd Edition by Alison Kelly, Sanjiv Jaggia, ISBN-13: 9780078020551. Homework 4 Q1. Business Statistics, Ch 7: Exercise 7.1 (pg236) Problem 3 Q2-5. Business Statistics, Ch 7: Exercise 7.2 (pg242) Problem 7, 11, 13, 15 Q6-10. Business Statistics, Ch 8: Exercise 8.1 (pg276) Problem 3, 4, 7, 9, … Read more
book : Business Statistics: Communicating with Numbers, 2nd Edition by Alison Kelly, Sanjiv Jaggia, ISBN-13: 9780078020551. Homework 4 Q1. Business Statistics, Ch 7: Exercise 7.1 (pg236) Problem 3 Q2-5. Business Statistics, Ch 7: Exercise 7.2 (pg242) Problem 7, 11, 13, 15 Q6-10. Business Statistics, Ch 8: Exercise 8.1 (pg276) Problem 3, 4, 7, 9, … Read more
Instructions for final project: Questions 1-27 in appendix 1 need to answered. The questions can be answered in like a table format. Questions on one side and answers on the other one or questions on top and answers below. Most of the answers are on the written report that start on page 4-15, in … Read more
When computing a t-test, it is important to distinguish between directional and nondirectional hypotheses as the direction will determine the rejection regions. Describe how the rejection regions would differ according to the type of hypothesis you would use. An insurance company asks you to determine whether older drivers are safer than younger ones. Provide a … Read more