Category Archives: Statistics

What kinds of methods and design choices have we covered in class that you see in your article? Which are new to you? Do you believe they’re most appropriate given what the article is claiming?Discuss.

This activity explores research. The setup: Find and read a quantitative research article from a field that you find interesting. This article can later be used in your Final Project, so pick something you really are interested in. Upload the PDF of the article and a PDF that includes: 1. The article citation This must […]

Is the company’s claimed mean inside your confidence interval?Explain.

For this Assignment, you are working at a firm that conducts independent testing for heavy industry. Recently, an automobile manufacturer has been in the news for complaints about the highway gas mileage of their latest model minivan. You receive a contract from a consumer action group to test and write a report on the company’s […]

How will things such as educational levels, age levels, primary language, cultural diversity, and so forth vary among your target audiences?

Overview: This assignment, requiring background and audience analysis, is the first milestone for the final project. To complete this assignment, you will analyze who the audience is to determine what type of data visualization will create the most impact and provide the most information. Prompt: Scenario: You are working as a data scientist contracted to […]

What is the value of the regression coefficient,r? What is the value of the coefficient of determination, r^2? What does r^2 tell us?

Due Thursday Respond to the following in a minimum of 175 words: Models help us describe and summarize relationships between variables. Understanding how process variables relate to each other helps businesses predict and improve performance. For example, a marketing manager might be interested in modeling the relationship between advertisement expenditures and sales revenues. Consider the […]

Describe the content you propose to analyze and how you will sample it.describe how you are sampling from that content. Publication dates? Every book, or some group of books? Every page or certain pages?

1. Develop a research question. Write a research question for a hypothetical study that interests you in your area of study, e.g., What is the ethnic diversity of characters featured in award-winning Caldecott children’s picture books? 1 point 2. Create a sampling plan. Describe the content you propose to analyze and how you will sample […]

Explain the importance of appropriate use of variability, uncertainty, or context in visualizations

Overview: In this module, you learned the importance of how understanding the data variability, uncertainty, and context are crucial to interpreting data. In this assignment, you will manipulate visualizations you completed in the first module and describe how variability, uncertainty, and context affect the interpretation of the specific data presented. Prompt: Using the Google Public […]

Write a 1- to 2-page report regarding your overall experience with QlikView and provide a brief comparison to Google Public Data.

Use the attached data file to create the hospital dashboard as shown in the Qlik Hospital Activity document. Answer the 10 exercise questions at the end of the document. Write a 1- to 2-page report regarding your overall experience with QlikView and provide a brief comparison to Google Public Data. Submit the exercise question answers […]

Explain the difference between two expressions , if any 1)  logab 2) logab

Explain the difference between two expressions , if any 1)  logab 2) logab To complete the task follow the instructions: 1. In the subject area type in Comparing logarithms 2. Pick your values for a and b and type them down. 3. Use a calculator to evaluate both logarithms (round your answers to four decimal places). Type your […]