s/cant/can't/
s/plot/plots
Complete the sentence.

As stated in the lecture, the slide explains the bootstrap procedure for
calculating confidence interval for the median.
s/draws/drawn
Merge pull request #6 from abhinav-upadhyay/lecture11-fix

A couple of more fixes :)
Merge pull request #7 from abhinav-upadhyay/lecture12-fix

Complete the sentence.