Statistics homework help

2 very simple questions.....  1) In the  US,  about half of all homes with a  basement also have a  sump pump.  A plumbing company surveys 673 homeowners with basements, chosen through a random sample, and finds that of those 673, there are 392 who own a sump pump.  Does this survey constitute significant evidence that Chicago homes with basements have sump pumps at a higher rate than the average in the US? Use a hypothesis test to support your findings.…

Please answer the questions that were posed in VIDEO: Chapter 1: Introduction to Social Science Research Principles and Terminology and posted below.  Each of you should offer feedback to at least one of your peers. 1) Criminal Justice Populations: What are 2 populations of people, places, events, or institutions that we might want to study in criminal justice research? For these different populations identify your unit of analysis. 2) Think about the populations you identified, how might you use these…

Please respond to the following: H. G. Wells is credited with saying, “Statistical thinking will one day be as necessary for efficient citizenship as the ability to read and write!” (1). Take a position on whether you agree or disagree with this statement, and provide a rationale for your response. Be sure to respond to at least one of your classmates’ posts. Sources Samuel S. Wilks. 1951. Undergraduate Statistical Education. https://www.jstor.org/stable/2280089

Please reply to the discussion below: Detailed – Comprehensive Summary for each of this (these) Chapter(s). HBR Guide to Data Analytics Basics for Managers is a textbook published by the Harvard Business Review Press. In this book, the author is showing the importance of quantitative analysis as part of the decisions taking by managers and executives. Historical information collected by organizations is studied by experts using different analytical methods, and these studies reach meaningful conclusions that help entrepreneurs to create,…

Reply to the discussion below: Chapter 3 Summary Chapter three focuses on the importance of selecting the “right” data. In conveying the importance of doing so, we are given insight as to what the typical business’s data acquisition and analysis processes usually look like, and then given explanations as to what the best methods are in order to increase their efficiency. Chapter three opens with a case study about a CEO of a premier consumer products company who insisted on…

Purpose: What was the purpose of your analysis, and what is your approach? Define a random sample and two hypotheses (means) to analyze. Sample: Define your sample. Take a random sample of 100 observations for your region. Describe what is included in your sample (i.e., states, region, years or months). Questions and type of test: For your selected sample, define two hypothesis questions and the appropriate type of test hypothesis for each. Address the following for each hypothesis: Describe the…

This assignment will have you differentiating typical actions and potential modifications to improve activities and assessing the overall impact of those improvement efforts. Recall a work task, hobby, or other activity that you perform regularly. For example, preparing a cup of coffee, exercising, or any other action you do every day. 1. In a Word document, name the activity and list sequentially the actions you do to complete the activity on two consecutive days.  To understand variation, you need to…

This assignment will have you differentiating typical actions and potential modifications to improve activities and assessing the overall impact of those improvement efforts.  Recall a work task, hobby, or other activity that you perform regularly. For example, preparing a cup of coffee, exercising, or any other action you do every day. (YOU CAN USE EITHER ONE AS A EXAMPLE OR COME UP WITH OWN) 1. In a Word document, name the activity and list sequentially the actions you do to…

Research and explain some of the categorical issues to be aware of in analyzing and comparing commercial aviation accident statistics.  Refer to the  NTSB website on accident statistics.  https://www.ntsb.gov/investigations/data/Pages/aviation_stats.aspx Each assignment will use the following APA format: 1-2 pages (approximately 300-words) - Quality is more important than quantity.  1" margins Double-spaced 12 pt. Times New Roman font Include name on the front page.

Competency In this project, you will demonstrate your mastery of the following competency: Apply statistical techniques to address research problems Perform hypothesis testing to address an authentic problem Overview In this project, you will apply inference methods for means to test your hypotheses about the housing sales market for a region of the United States. You will use appropriate sampling and statistical methods. Scenario You have been hired by your regional real estate company to determine if your region’s housing…