Category: Statistics homework help

Data screening is fundamental before any analysis.  The basics of data screening are outlined in your Warner text. Data screening is used for two major purposes: removing bad cases (missing responses or nonresponse patterns) and testing the assumptions (distribution of quantitative variables, sample size requirements for analysis, removal of small groups) of the intended analysis.  […]

The goal of this assignment is to get you moving as quickly as possible on your reading of research articles. It would be best if you read peer-reviewed research articles at a pretty furious pace (two a day) to write with sufficient knowledge. The literature review is a review of the literature. It is where […]

Assignment Content You told a friend about the work you have been doing to better understand desirability of professional development in your organization. Your friend thinks the idea would be very helpful in her organization. After you showed her the presentation (linked below), she decided to conduct a similar investigation at her organization. To save […]

Midterm Exam The above preparation is important since you can only take the Week 3 – Midtermone time. You must answer the questions in order and you may not return to a question after you have worked on it, so be sure to complete the question before clicking NEXTor SAVE FOR LATER. The midterm is […]

YOU MUST USE THE TEMPLATE PROVIDED AND YOU HAVE TO ANSWER EVERY QUESTION. Please contact me with questions. This is a MATH assignment. It needs to be CLEAR. Scenario You have been hired by the Regional Real Estate Company to help them analyze real estate data. One of the company’s Pacific region salespeople just returned […]

Suppose that a school superintendent wanted to try out a new method of teaching mathematics to 8th graders and that he has decided to ask the math teachers in one middle school to use the  traditional approach and the math teachers in another school to use the experimental approach.  Assume that the math teachers in […]

The data in the table are from a study conducted by an insurance company to determine the effect of changing the process by which insurance claims are approved. The goal was to improve policyholder satisfaction by expediting the process and eliminating some extraneous approval steps. The response measured was the average time required to approve and […]

1. For the following data find the linear trend (the equation). Then improve the trend by first taking 3 yearly and then 5 yearly moving averages (Specify R2 values for the 3 scenarios). Also predict the revenue for the year 2015 considering the random fluctuations using both additive and multiplicative model.  2+2+2+(2+2) = 10 Year […]

The Central Limit Theorem can be demonstrated by taking sample mean distributions from a population that is not normally distributed. Graph the probability distribution for rolling a six-sided die as a relative frequency histogram. Determine the mean and standard deviation for this distribution. Construct a relative frequency distribution for a sample mean distribution with sample […]

100 points (10 points for each question) Suppose the following are the ages of a group of individuals enrolled in a study looking at the relationship between sleep apnea and Alzheimer’s disease. 6,  8,  4,  3,  7,  12,  9,  4,  7,  1  ​Find the following: A) Mode and Mean B) Median  C) Variance D) Standard […]