The correct option regarding the number of participants in the band according to the month is:
The number of participants in the band decreased from October to November.
According to the graph, the amounts are given as follows:
Hence the correct option is given by:
The number of participants in the band decreased from October to November, as 50 < 61.
A similar problem, in which a situation is interpreted, is given at https://brainly.com/question/1638242
#SPJ1