In: Statistics and Probability
R Problem Set:
#Work with the inbuilt dataset "Cars"
View(cars)
This will show you the dataset on 2 variables speed and distance.
?cars
This will explain what the variables mean.
#Q1) Describe the dataset. What are the main findings?
#Q2) Design a relevant question to model using linear
regressions
#Q3) Run the regression and report the std error, t-stat, p value
and f stat.
#Q4) Is this a valid regression? Is the normality assumption
justified? Show clearly.
#Q5) Are there any ouliers in the data? How do the observations
influence the results?
#Q6) Write a 3-5 lines summary of what you conclude from this
exercise
Please submit a clear pdf document showing all your results. Also, attach a copy of your code.