RESEARCH METHODOLOGY

METHODS OF DATA ANALYSIS

DECISION MAKING WITH HYPOTHESIS TESTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following shows a left-tailed test?
A
H1:µ < 15
B
H0:µ >15
C
H1:µ > 15
D
H0:µ > 15
Explanation: 

Detailed explanation-1: -Null hypothesis (H0): The null hypothesis here is what currently stated to be true about the population. In our case it will be the average height of students in the batch is 100. Alternate hypothesis (H1): The alternate hypothesis is always what is being claimed.

Detailed explanation-2: -For example, H0: there is no difference in taste between coke and diet coke against H1: there is a difference. 2. If one of the two hypotheses is ‘simpler’ we give it priority so that a more ‘complicated’ theory is not adopted unless there is sufficient evidence against the simpler one.

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