Answer: the answer is a hard doosie
Step-by-step explanation:
Answer:

Step-by-step explanation:

Rgds!
Answer:
30
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
mean = average. to find it, add all terms, and then divide by the number of terms.
find the mean of group a:
(1+1.5+3+3.2+2.8+1.5+1.8+2.5+2.2)/9 = 2.16
find the mean of group b:
(2+2.5+3.2+3+1.8+2.4+3+1.5+1/8)/9 = 2.1694
group b is larger.
answer = b
Answer:
3102x
Step-by-step explanation: