This question's due date has already passed. You may post a tutorial, but there's no guarantee that the original asker will purchase the tutorial. But other people might!

Question

# \$25.00Part III: Regression and Correlation/Part IV: Putting it Together

• From Mathematics: Statistics
• Closed, but you can still post tutorials
• Due on Aug. 13, 2012
• Asked on Jul. 27, 2012 at 06:58:53AM

Rating :No Rating
Tutorials Posted: 0

Q:

Part III: Regression and Correlation

Based on what you have learned from your research on regression analysis and correlation, answer the following questions about the Body Fat Versus Weight data set:

• When performing a regression analysis, it is important to first identify your independent/predictor variable versus your dependent/response variable, or simply put, your x versus y variables. How do you decide which variable is your predictor variable and which is your response variable?
• Based on the Body Fat Versus Weight data set, which variable is the predictor variable? Which variable is the response variable? Explain.
• Using Excel, construct a scatter plot of your data.
• Using the graph and intuition, determine whether there is a positive correlation, a negative correlation, or no correlation. How did you come to this conclusion?
• Calculate the correlation coefficient, r, and verify your conclusion with your scatter plot. What does the correlation coefficient determine?
• Add a regression line to your scatter plot, and obtain the regression equation.
• Does the line appear to be a good fit for the data? Why or why not?
• Regression equations help you make predictions. Using your regression equation, discuss what the slope means, and determine the predicted value of body fat (y) when weight (x) equals 0. Interpret the meaning of this equation.

Part IV: Putting it Together

Your analysis is now complete, and you are ready to report your findings to your boss. In one paragraph, summarize your results by explaining your findings from the statistical measures, hypothesis test, and regression analysis of body fat and weight for the 252 men attending Silver’s Gym.

Available Tutorials to this Question

\$25.00
detail solution with step by step explanation
• This tutorial was purchased 1 time and rated No Rating by students like you.
• Posted on Jul. 27, 2012 at 07:15:51AM
Posted by :

Rating (109):B-
Tutorials Posted: 1154,
Earned: \$855.96

A:
Preview: ... ch  file   it  cont ...

The full tutorial is about 15 words long plus attachments.

Attachments:
_bodyfat_weight_data set with total step wise soultion.xlsx (26K)

\$25.00
Part III: Regression and Correlation/Part IV: Putting it Together A+ GUARANTEE GO FOR IT!!
• This tutorial was purchased 2 times and rated No Rating by students like you.
• Posted on Jul. 27, 2012 at 11:01:22AM
Posted by :

Rating (61):A
Tutorials Posted: 144,
Earned: \$2,610.72

A:

The full tutorial is about 4 words long plus attachments.

Attachments:
Part III Regression and Correlation Part IV Putting it Together.xls (75K)

\$25.00
• This tutorial hasn't been purchased yet.
• Posted on Jul 27, 2012 at 7:56:16PM
Posted by :

Rating (149):B-
Tutorials Posted: 1280,
Earned: \$4,634.06

A:
Preview: ... purch ...

The full tutorial is about 3 words long plus attachments.

Attachments:
Bodyfat Statistics with correlation.xlsx (47K)

\$25.00
Here you go...w/ EXPLANATION
• This tutorial hasn't been purchased yet.
• Posted on Jul 27, 2012 at 8:00:22PM
Posted by :

Rating (12):A+
Tutorials Posted: 199,
Earned: \$683.91

A:
Preview: ... or p ...

The full tutorial is about 3 words long plus attachments.

Attachments:
Bodyfat Statistics.xls (81K)

\$35.00
Silver Gym_MATH 301_Part III and Part IV_ Regression and Correlation_A+_Answer
• This tutorial hasn't been purchased yet.
• Posted on Mar 24, 2013 at 9:49:29PM
Posted by :

Rating (269):A+
Tutorials Posted: 1930,
Blog Posts: 1,
Earned: \$20,543.70

A:
Preview: ... r Gym_MATH 301_Part III and Part ...

The full tutorial is about 19 words long plus attachments.

Attachments:
Silver Gym_MATH 301_Part III and Part IV_ Regression and Correlation_A+_Answer.doc (145K) (Preview)
Silver Gym_MATH 301_Part III and Part IV_ Regression and Correlation_Worksheet.xls (59K)