Question

Multiple choice :
The owner of a chain of juice stores wants to compare the profits earned from two of his stores. The alternative hypothesis is, “There is a difference between the profits earned from the two stores.” What is the null hypothesis?

a a There is a significant difference between the profits from the two stores.

b b There is a difference between the profits from the two stores, and it is equal to the standard deviation.

c c There is no difference between the profits from the two stores.

d d The profit earned from both stores is equal to the standard deviation.

e e The profit earned from one store is greater than the profit earned from the other.