Answer:
Mode: 20
Mean: 17.5
Median: 19.5
Explanation:
Mode: Most common one : 20
Mean: 19+25+23+20+9+20+15+10+5+16+25+20+24+12+20=263
263/15= 17.5
Median: 5, 9, 10,12,15,16,19,20,20,20,23,24,25,25. The middle ones arer 19 and 20. the middle of 19 and 20 = 19.5
Hope this helps! Have a nice day!