For Question Numbers 1 to 3 please study the table below showing the number of cars sold by four dealers (P, Q, R, S) over six months
| Dealers ↓ Months |
P |
Q |
R |
S |
Total |
| January |
102 |
92 |
95 |
107 |
396 |
| February |
94 |
96 |
104 |
106 |
400 |
| March |
85 |
94 |
100 |
90 |
369 |
| April |
108 |
97 |
99 |
96 |
400 |
| May |
98 |
102 |
100 |
89 |
389 |
| June |
95 |
104 |
102 |
91 |
396 |