Find the outliers using 1.5IQR rule 13,9,18,15,14,21,7,10,11,20,5,18,37 ,16,17

Does the point (1, sqrt 7) lie on circle shown.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries