RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

TESTS OF SIGNIFICANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim that listening to their recorded messages can help people quit. What is the alternative hypothesis?
A
p = 0.2
B
p = 0.25
C
p < 0.2
D
p > 0.2
Explanation: 
There is 1 question to complete.