Five years ago,a company found that 8% of its employees commuted to work by car.A survey investigates whether the current proportion of employees who commute by car to work is higher than it was five years ago.Identify the Type II error in this context.
A)The survey states there in no change in commuting,but in fact commuting by car is increasing.
B)You conclude that commuting by car is on the decline.
C)The survey concludes that commuting by car is on the rise,but in fact there is no change in commuting.
D)The survey concludes that commuting by car is on the rise since the commuting can only increase.
E)A Type II error is not possible in this situation.

Question

Quizplus · Accepted Answer

A Type II error occurs when the null hypothesis is not rejected when it is false. In this context, it means failing to detect an increase in commuting by car when there actually is an increase.

Five Years Ago,a Company Found That 8% of Its Employees