Main reasons for regulations

Assignment Help Engineering Mathematics

Reference no: EM13822132

In a study on speed control, it was found that the main reasons for regulations were to make traffic flow efficient and to minimize the risk of danger. An area that was focused on in the study was the distance required to completely stop a vehicle at various speeds. Use the following table to answer the questions. MPH Braking distance (feet) 20 20 30 45 40 81 50 133 60 205 80 411 Assume MPH is going to be used to predict stopping distance.

Questions

1. Which of the two variables is the independent variable? Why?

2. Which is the dependent variable? Why?

3. What type of variable (quantitative: continuous or discrete; qualitative: nominal or rank) is the independent variable?

4. What type of variable is the dependent variable? See above

5. Construct a scatter plot for the data. Label your X and Y axes and show the points.

6. IS there a relationship between the two variables?

7. IS the relationship positive or negative? Why?

8. Suppose the correlation coefficient (r) is 0.966? Does this suggest a strong relationship? Explain

9. What would you conclude about the relationship if r=0?

10. Does correlation mean causation?

Reference no: EM13822132

Questions Cloud

Biblical perspectives signature assignment : Biblical Perspectives Signature Assignment - The signature assignment (final paper) for Biblical Perspectives is a 5-7 page paper that addresses the meaning of a biblical text. Using the skills gained in the course, develop a paper that combines an..

What is significance of subjective and objective data : What clinical manifestations are present in Ms. G and what recommendations would you make for continued treatment? Provide rationale for your recommendations

Markets develop through different stages : In his book Crossing the Chasm. Geoffrey Moore discusses some of the issues involved in marketing technologically new products as markets develop through different stages. What groups does Moore identify and what must companies do if they are to succ..

Define and discuss confidence intervals : Define and discuss confidence intervals

Main reasons for regulations : In a study on speed control, it was found that the main reasons for regulations were to make traffic flow efficient and to minimize the risk of danger.

Describe the actions that you think mary should take next : Determine whether Mary acted irresponsibly or disloyally in your opinion. Describe the actions that you think Mary should take next.

Describe the history and status of the given issue : Describe the history and status of the issue and provide an overview of the problem(s) that need to be addressed. This should be one or two paragraphs.

Learning team assignment descriptive statistics : Learning Team Assignment Descriptive Statistics

Recently undergone a technological paradigm shift : Give an example of an industry that has recently undergone a technological paradigm shift. What impact did the shift have on established companies and on new entrants to the industry?

User Account

All Pages