The Median and Interquartile range for each restaurant will be as follows:
Burritos Bros:
Interquartile range=80-75=5
Mediam=77.5
Pasta Pals:
Interquartile range=85-77.5=7.5
Median=80
You make your own pie
Interquartile range=94-84=10
Median=87
Papa Smurfy's
Interquartile range=94-78=16
Median=84
Thus the restaurant with the smallest interquartile and positive Median is:
Burrito's Bro