A new company is in the process of evaluating its customer service.The company offers two types of sales: 1.Internet sales;2.Store sales.The marketing research manager believes that the Internet sales are more than 10% higher than store sales.The null hypothesis would be: A)P_internet - P_store .10 B)P_internet - P_store

Question

A new company is in the process of evaluating its customer service.The company offers two types of sales: 1.Internet sales;2.Store sales.The marketing research manager believes that the Internet sales are more than 10% higher than store sales.The null hypothesis would be: A)P_internet - P_store > .10 B)P_internet - P_store < .10 C)P_internet - P_store ≥ .10 D)P_internet - P_store ≤ .10 E)P_internet - P_store = .10

Quizplus · Accepted Answer

The null hypothesis is generally expressed as an equal or less than sign in the context of hypothesis testing. So, the best choice would be D - P_internet - P_store ≤ .10.

A New Company Is in the Process of Evaluating Its