If the yield of paddy from different fields are 6.0, 4.9, 6.0, 5.8, 6.2, 6.0, 6.3, 4.8, 6.0, 5.7, and 6.0 tonnes per hectare, the modal value is ____ tons per hectare.

Correct option is D

· Mode refers to the value that appears most frequently in a data set.
· The given data is: 6.0, 4.9, 6.0, 5.8, 6.2, 6.0, 6.3, 4.8, 6.0, 5.7, 6.0.
· Observing the data, the number 6.0 appears 5 times, which is more frequent than any other value.
· Therefore, the modal value is 6.0 tonnes per hectare.