RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

TESTS OF SIGNIFICANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
On August 8, 2009 broadcasters on the Fox TV “Game of the Week” noted that Yankees outfielder Nick Swisher hit 3 home runs at home and 15 on the road. He claimed that his performances indicate that Swisher has a greater ability to hit home runs at home than on the road. What is the null hypothesis?
A
Nick Swisher has the same ability to hit home runs at home and on the road
B
Nick Swisher has a greater ability to hit home runs at home than on the road
C
Nick Swisher performed equally well at home and on the road
D
Nick Swisher performed better at home than on the road
Explanation: 

Detailed explanation-1: -Answer and Explanation: The correct option is C: The test statistic depends on the significance level. Explanation: Type 1 error occurs when the analyst rejects the null hypothesis, which is true, whereas the type 2 error occurs when the analyst accepts the null hypothesis, which is untrue.

Detailed explanation-2: -1. What is the assumption made for performing the hypothesis test with T distribution? Explanation: For testing of Hypothesis with T distribution it is assumed that the distribution follows a normal distribution. The region is identified and hence based on the normal variate Hypothesis is accepted or rejected.

There is 1 question to complete.