Question

Select the examples of null hypotheses.

Butterflies with brown coloration are less likely to be consumed by predators than butterflies with yellow coloration in a forest.

The growth of E. coli bacteria will not be affected by exposure to different wavelengths of light.

The deer population will not change in a grassland after a five year drought.

There will be no difference in the height of grass grown with fertilizer or without fertilizer.

A slice of bread left out of the package will have more mold growth than a slice of bread kept in the package.

Answer 1