Please help me anyone 1. The butterfly bush Buddleia davidii is a common garden shrub visited frequently by butterflies collecting nectar. In one period of observation, 46 visits were recorded to a bush which had purple flowers. In the same time there were 28 visits to a bush with white flowers.

The observer wondered if this was a significant difference.

(a) state a null hypothesis for this observation (b) Choose an appropriate statistical to analyse this data and interpret your result.