Question

pls answer for 44 pts pls answer and i will give branily

Answer 1

9 is the answer

First line = 9.2
Second one = 18

Answer 2

Answer:

9

Step-by-step explanation:

mean of plot 1

• (2+3+3*5+9+11+14+15+21)/10= 9

mean of plot 2

• (7+12+2*16+18+2*20+25+28)/9= 18

the difference

• 18-9= 9