Chapter 7 Written HW

Chapter 7 Written HW - Print this output and turn it in...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Name: STATISTICS 101 - Written Homework Chapter 7 Due Friday, September 30 Homework is due on the due date at the end of lecture. Many physical characteristics of people and animals are related. For example, taller people tend to weigh more. Similar associations can also be found in inanimate objects. In this problem, we will be looking at the association between two chemical components of a sample of 29 cigarette brands, nicotine and tar content (in mg). These data can be found in the JMP data ±le cigarette.JMP in the Chapter 7 Learning Module in the Unit 2 folder in WebCT. 1. Describe the Who for this data set. 2. Describe the What for this data set. 3. Use JMP to obtain the scatterplot and the correlation coefficient between the two variables.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Print this output and turn it in with this assignment. 4. What is the nicotine content of the cigarette brand with the smallest tar content? 5. Two brands tie for the largest tart content, what is the nicotine content of the cigarette brands with the largest tar content? 6. One cigarette brand has a nicotine content of 0.9 mg. What is the tar content of this brand? 1 7. Describe the relationship between the nicotine and tar content of cigarette brands. Make sure to mention form, strength, direction and the presence of any outliers. 8. Give the value of the correlation coecient r . What does this value mean in terms of the relationship between the nicotine and tar content of cigarette brands? r = Interpretation: 2...
View Full Document

Page1 / 2

Chapter 7 Written HW - Print this output and turn it in...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online