The following tables gives production yield in kg.per hectare of wheat of 150 farms in a village. Calculate median.
PRODUCTION 50-53 53-56 56-59 59-62 62-65 65-68 68-71 71-74 74-77
KG/HECTARE
NO. OF FARMS 3 8 14 30 36 28 16 10 5
Amrisha,
75th item lies in the 91th cumulative frequency. Hence, the median class is 62 - 65.
Production | No. of farms(f) | cf |
50 - 53 | 3 | 3 |
53 - 56 | 8 | 11 |
56 - 59 | 14 | 25 |
59 - 62 | 30 | 55 |
62 - 65 | 36 | 91 |
65 - 68 | 28 | 119 |
68 - 71 | 16 | 135 |
71 - 74 | 10 | 145 |
74 - 77 | 5 | 150 |
N = 150 |
75th item lies in the 91th cumulative frequency. Hence, the median class is 62 - 65.