Question
The director of Public Safety of a locality wants to use the scientific method to relate the bars and dance centers with the number of
The director of Public Safety of a locality wants to use the scientific method to relate the bars and dance centers with the number of automobile accidents in a city of the country. It has extracted the following numbers from the databases:
Car accidents (Y) | 5 | 4 | 7 | 9 | 8 | 9 | 6 |
Dance clubs (X) | 12 | 10 | 15 | 30 | 25 | 34 | 20 |
Answer the following:
1. Make a scatter plot.
2. Fit and interpret a simple linear regression model to the data.
3. Test the significance of the slope 1.
4. Calculate and interpret the coefficient of determination (R2).
5. Construct a 90% confidence interval for 1.
6. Predict the number of car accidents when you have 11, 13, and 18 bars and dance clubs.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started