Answer
40.9
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Answer:
I really cant see the picture that well or, i would help.
Step-by-step explanation:
Answer:
4z+2
Step-by-step explanation:
2z * 2=4z & 1*2=2
<span>Table:
Class Boundaries Frequency
5-10 8
10-15 9
15-20 15
20-25 10
25-30 8
30-35 6
----------
total 56
Average =
[5+10]/2*8+[10+15]/2*9+[15+20]/2*15+[20+25]/2*10+[25+30]/2*8+[30+35]/2*6
---------------------------------------------------------------------------------------------------
</span> 56
That is 1075 / 56 = 19.2
Answer: 19