Comprehension Passage
Directions: Read the following frequency distribution for two series of observations and answer the two items that follow:
|
Class Interval |
Frequency |
|
|
Series I |
Series II |
|
|
0 – 20 |
12 |
X |
|
20 – 40 |
8 |
X + Y |
|
40 – 60 |
16 |
6 |
|
60 – 80 |
X |
8 |
|
80 – 100 |
2Y |
14 |
|
Total |
50 |
50 |
Find the mode of frequency distribution of series II.
1
84
2
86
3
88
4
90