Based on your sample, you will conduct a hypothesis test with a = 0.05 to test two of the claims of the above article. Using the same excel sheet as last week, answer the following in the week 6 tab: Claim: the average age of online students is 32 years old. Can you … Read more
I need at least two pages. I also included a word document with the same information: 1. Read the article at the following link: a. Provide a detailed summary of the article in terms of the key points, major issues raised, what you perceived as the most important facts, and any suggestions or recommendations you … Read more
For this assignment, you will conduct an experiment then create supporting visuals to be placed in a PowerPoint presentation of your findings. Your presentation should be easy to read and have a consistent design theme throughout. SCENARIO: You have started a new business providing height measurements of humans. Your customers expect accurate and precise … Read more
For this project assume that bobcats have a mean birth rate of 0.4 with a standard deviation of 0.1 and a mean survival rate of 0.68 with a standard deviation of 0.07. In this model, assume that these demographic parameters follow a normal distribution. Environmental stochasticity can take many forms. For this project it will … Read more
Please respond to the following: Charts and graphs are used quite often in newspapers, magazines, books, and various online articles. There are pros and cons to using these types of visual representations. Describe one pro and one con for using a graph or chart. Share an example of a time when this type of … Read more
(25 points) Part 3 Confidence Intervals (Week 5): Based on the class sample, you will create a 95% confidence interval for the mean age and the proportion of males in the population of all online college students. Note: The goal of the project is to practice making a confidence interval for a mean and … Read more
Instructions The table below shows the scores of 25 Mathematics students in two mid-term tests and the final exam. Test 1Test 2Final Exam756976957593917890988498755771543951716375484858896888816082716071725671958192816976726374957696806474837792907989807180847489887088807188787175988096 Tasks: Perform multiple linear regression analysis using Microsoft Excel, assuming final exam score as the dependent variable and test 1 and test 2 scores as independent variables. Correctly state the regression equation. … Read more
The price of lumber is typically a nonlinear distribution. Here are the current prices at a popular home improvement store for 2 x 4 lumber in different lengths. length – feet price 8 $5.11 10 $7.58 12 $9.12 16 $12.87 Create a scatterplot using this data. Place the explanatory variable on the horizontal axis and … Read more
Define what a linear and nonlinear regression model is. Provide an example of a linear and nonlinear regression model. Explain when you would use a linear versus a nonlinear regression model. Support your claim with evidence from content within the chapter and/or outside research.
Statistics is its own language; in fact, it is often called the language of science. Why do you think it is called the language of science? What does it mean to be statistically literate? Why is it important to be statistically literate? Be sure to respond to at least one of your classmates posts.