Question: number 3. I'm trying to find a way to replace all in carName. I tried using the stringr library, but I can't figure
3. Use regular expressions to remove the quotes from the car nome and add a column containing the car roke (1.e. ford, hondo, etc.). Then construct a stde-by-side box plot of miles per gallon grouped by these mokes. library(string) autOMPGScarone - autopScarlane X str_replace_all(""*:*) impert Clobal war Data novo.re. Large Celmer BUONG 336 s. of war Rue 1 15 1816 17 15 4 L cylinders 1 III III displacent: 0735 3. N. horsepower 1 um 130 145 150 152 height 3504 93 304 343 acceleration 12 11.5 11 12 model Yeer 1 origint 1111111111 carlane: hr chevrolet cheve. echtsq.re list of of 32561 os, of 15 ver. df.ge 7001 of 2 variable Functions eing function (0) missvelve function() 4. Randomly sonple 75 of these vehicles and construct a histogran for the horsepower of the vehicles in your sample. Describe the shape of your histogran. Be sure to use "set.seed so that your sample is consistent. (solution evol=FALSE) 4:55 5. Construct 9SN confidence interval for the horsepower of the entire population of vehicles based on your sample of 75 taken above. How does the mean horsepower of the entire data set compare with your confidence intervall Chunk 26 Terminal Jobs 215/homework/elutions ViewCoutop) model actresiduos MacBook Air S88 80 % & 7
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
