The table given below shows the number of workers in six different companies for 3 years.
|
Company |
Year |
||
|
Y1 |
Y2 |
Y3 |
|
|
A |
90 |
120 |
.300 |
|
B |
150 |
30 |
420 |
|
C |
140 |
200 |
600 |
|
D |
270 |
400 |
520 |
|
E |
180 |
550 |
340 |
|
F |
50 |
600 |
190 |
Which of the following statement is correct?
I. The average number workers in company A for three years is 170.
II. The sum of number of workers in company D for all three years is 1290.
1
Neither I nor II
2
Only II
3
Only I
4
Both I and II