Using R Studio: 1)Use the `mtcars` data (`data(mtcars)`) to answer these questions: a) Which rows...

60.1K

Verified Solution

Question

Programming

Using R Studio:1)Use the `mtcars` data (`data(mtcars)`) to answer these questions: a) Which rows of the data frame contain cars that weigh more than 4000 pounds (the variable is `wt`, units are 1000 pounds).b) Which cars are these? (*Hint:* since rows are named by car name, use `row.names()`).c) What is the mean displacement (in inches^3^ ) for cars with at least 200 horsepower (`hp`).d) Which car has the highest fuel economy (`mpg`)?e) What was the fuel economy for the Honda Civic?2) Using the `mtcars` data create a new variable for horespower per unit weight (`hp/wt`). Is this a better predictor of acceleration (`qsec`; seconds to complete a quarter mile) than horsepower alone?3) Use the function `subset()` to return the cars with 4 cyclinders and automatic transmissions (`am` = `0`). (*Hint:* see `?subset`).

Answer & Explanation Solved by verified expert

3.6 Ratings (364 Votes)

Question 1Below is the R code for the given problem Please followcommentsR Code Question 1 a See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member