Answer:
D
Step-by-step explanation:
1 * 7 + 2 * 1 + 3 * 3 + 4 * 2 + 5 * 2 =
7 + 2 + 9 + 8 + 10 =
36
Now we need to divide 36 by the total frequency: 7+1+3+2+2=15
36 / 15 = 2.4
Answer:
I am not sure it correct or not but I try to answer
Step-by-step explanation:
0-2+7m-7m+5m=7
It’s a positive number, it’s exactly the same distance from zero as the negative number he picked