If a person visits a coffee shop for buying coffee, the size of the coffee cup he buys is a function of the time of the day he makes the purchase. In this case, the null hypothesis can be stated as:
A)the person buying the coffee is independent of the size of the coffee cup.
B)the size of the coffee cup purchased does not depend on the time when the purchase is made.
C)the size of the coffee cup purchased depends on the time when the purchase is made.
D)the earlier in the day the purchase is made, the bigger the size of the coffee cup purchased.
E)the size of the coffee cup is dependant on the person buying the coffee.

Question

Quizplus · Accepted Answer

The null hypothesis in this case would be that there is no relationship or dependence between the size of the coffee cup purchased and the time when the purchase is made. Therefore, option B is the best choice as it states that the size of the coffee cup purchased does not depend on the time when the purchase is made.

If a Person Visits a Coffee Shop for Buying Coffee