How does correlation relate to regression

Assignment Help Basic Statistics
Reference no: EM13871659

Read the situation described in the "Picturing the World" scenario. Reflect on the question that is based on the situation described in this section.


The scatter plot shows the relationship between the number of farms (in thousands) in a state and the total value of the farms (in billions of dollars).

U.S. Oepartm,

925_How does correlation relate to regression.png

Describe the correlation between these two variables in words. Use the scatter plot to predict the total value of farms in a state that has 150,000 farms.The regression line for this scatter plot is = 0.714x + 3.367. Use this equation to predict the total value in a state that has 150,000 farms (x = 150). (Assume x and y have a significant linear correlation.) How does your algebraic prediction compare with your graphical one?

In addition, respond to these questions:

1. Why does linear regression seem to be an appropriate method for prediction in this case? How does correlation relate to regression?

2. What are the similarities and differences between correlation and regression?

Post your responses to the discussion forum. Support your answers with an appropriate rationale based on the concepts covered in this week.Title: Assignment (Part 4): One- or Two-Sample Hypothesis Testing Paper


Use the ratio or interval numerical data from the data collected for your project.

1. Develop one research question from which you will formulate a research hypothesis.

2. Prepare a two to four page paper describing the results of a hypothesis test of one or two population means or population proportions.

3. In your paper:
o Formulate a numerical hypothesis statement and a verbal hypothesis statement regarding your research issue.
o Perform a hypothesis test on your data.
o Describe the results of your test and explain how the findings from this hypothesis testing may be used to answer your research question.

4. Include your raw data tables and the results of the computations of your z-test or t-test using graphical and tabular methods of displaying data and results.

Verified Expert

Reference no: EM13871659

Process of statistical quality control

Analyze the process of statistical quality control and determine which part of the process would be most difficult and what steps could be taken to mitigate the anticipated

Probability of the malfunctioning of the machine

A popular soft drink is sold in 2-liter (2,000-milliliter) bottles. Because of variation in the filling process, bottles have a mean of 2,000 milliliters and a standard devi

Luxury car drivers with insufferable driving habits

Is there any evidence to suggest that the proportion of luxury-car drivers with insufferable driving habits is greater than the proportion of ordinary-car drivers with simil

Skeptical paranormal researcher claiming

A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 1 in every one thousand. State the null hypothesis and the altern

What is the profit contribution for each bike

The production manager uses a DSS to make decisions about what to do. The maximum attainable profit is required. Develop a simple DSS prototype to solve this problem. a. How

Statistical analysis in a report for management

What should you tell the operators of the Mall of Elbonia's food court stores (in terms of the mall's high-traffic times and customer tendencies)? Summarize your statistical

Determining the share of common stock

1. For the period 1998-2008, McDonald's Corpora- tion paid the following dividends (rounded to nearest penny) per share of common stock. Source: McDonald's Corporation, 2005

Fifteen policyholders are randomly selected for company reco

An auditor for Health Maintenance Service of Georgia reports 40% of policyholders 55 years or older submit a claim during the year. Fifteen policyholders are randomly sel


Write a Review

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd