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Relationship of Height and Weight

Watch this video: https://www.youtube.com/watch?v=WWqE7YHR4Jc

  • What does it mean when we say that there is a relationship between two variables?
  • What kinds of relationships can there be between two variables?
  • What is the general formula for a linear regression equation according to the video?
  • What exactly is a trendline? How do you get it on your graph if you are using Excel?
  • Using the given Height and Weight data set, follow the steps in the weekly video or on pages 584-585 of the textbook for performing a regression analysis using Excel to analyze the Height and Weight Data set (assume height is the input variable x and weight is the output variable y). Once you have performed the analysis in Excel, state the correct simple linear regression equation and use the regression equation to predict the weight (in pounds) of a person who is 65 inches tall and the weight (in pounds) of a person who is 100 inches tall.
  • Why might the regression equation you have found NOT be a good predication of the weight of someone who is 100 inches tall? How does this lesson apply to the workplace?
  • Many students say that a person who is 100 inches tall is an “outlier.” Can we just say that without proof? No! How do you prove (formula) that a person who is 100 inches tall is/is not an outlier?

Hint from Dr. Klotz: If needed, revisit slope-intercept form from algebra and order of operations before doing the math in this post.

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Download the Height and Weight Table Here.

We have been offering dedicated medical and nursing writing services to nursing students for several years. Our nursing papers are meticulously crafted to meet the highest academic standards and adhere to the prescribed referencing formats, including APA, MLA, and Chicago style. Our team comprises seasoned nursing writers who possess extensive knowledge and expertise across a wide range of nursing topics. Whether it’s assignments, research papers, case studies, literature reviews, or any other task, our writers are well-equipped to handle them proficiently.

 
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