You may have heard the saying, “The only thing that is constant is change.” Paying attention to the change all around you can help you to better understand your world. For this week’s Exploration Problem, you will use estimation techniques to identify how a topic of your interest has changed and is changing over time. […]
Final math test ! | Mathematics homework help liless1 10 points 10 points 10 points 10 points 10 points 10 points 10 points 10 points 10 points 10 points 10 points 10 points […]
Question Exam 1BUS 8013 Research MethodsExam 1Use this document to research your answers. Once you are ready, complete the BlackBoardassessment exam for course credit. This exam covers Chapters 13, 14, 15, & 20.Chapter 131. How we define a construct will affect the way we measure it. True False 2. How much a person weighs is […]
Final math test ! | Mathematics homework help liless1 10 points 10 points 10 points 10 points 10 points 10 points 10 points 10 points 10 points 10 points 10 points 10 points […]
Submit the Following 1. Calculate the sample size needed given these factors: one-tailed t-test with two independent groups of equal size small effect size (see Piasta, S.B., & Justice, L.M., 2010) alpha =.05 beta = .2 Assume that the result is a sample size beyond what you can obtain. Use the compromise function to compute […]
You are recruiting patients from a hospital for a case-control study. There are 2000 patients (1020 male and 980 female). 30% of the females and 15% of the males do not drink alcohol. You decide to randomly choose patients to discuss the study goals. Answer the following: What is the probability of selecting a female […]
a) Sally and Ron have decided to go back to school. Sally is 28 and Ron is 25. Based on their relative position, which of them (Sally or Ron) would be farther away from the average age of their gender group? Show all steps and work. (Hint: You will need to calculate z-scores as part […]
Assignment 2: Advertising Claims In this assignment, look for and provide two advertisements that you think contain logical fallacies. Use any advertisement that you can find in magazines, on television, or from the Internet for this assignment. Your two examples must represent two of the following logical fallacies: Appeal to Popularity False Cause Appeal to […]
Time for some tedious by hand practice just to see if you can get the numbers right. Using the following information, calculate the t-test statistic by hand. a. ¯x1=62 x2=60 n1=10 n2=10 s2/1=2.45 s 2/2=3.16 b. x1=158 x2=157.4 n1=22 n2=26 s 2/1=2.06 s 2/2=2.59 c. x1=200 x2= 198 n1=17 s 2/1=2.45 s 2/2=2.35
A study examined whether adding a fragrance to a window cleaner led people to believe that it cleans better than an unscented product. There were 12 subjects in each group: scented or unscented. The mean cleaning effectiveness rating for the group getting the scented cleaner was 7.42. The mean cleaning effectiveness rating for the group […]
