Suppose that you measure the IQ of 14 subjects with short index fingers and the IQ of 14 subjects with long index fingers.You compute an independent samples t-test,and the is 0.29,which is not statistically significant.Which of the following is the most appropriate conclusion?
A)There is no relationship between length of index finger and IQ.
B)There is a relationship between length of index finger and IQ.
C)The relationship between length of index finger and IQ does not exist.
D)We do not have convincing evidence that our measured relationship between length of index finger and IQ is due to anything other than sampling error.

Question

Suppose that you measure the IQ of 14 subjects with short index fingers and the IQ of 14 subjects with long index fingers.You compute an independent samples t-test,and the  is 0.29,which is not statistically significant.Which of the following is the most appropriate conclusion?
A)There is no relationship between length of index finger and IQ. 
B)There is a relationship between length of index finger and IQ. 
C)The relationship between length of index finger and IQ does not exist. 
D)We do not have convincing evidence that our measured relationship between length of index finger and IQ is due to anything other than sampling error.

Quizplus · Accepted Answer

The independent samples t-test has indicated that the difference between the mean IQ scores of the two groups (long index finger and short index finger) is not statistically significant. Therefore, we cannot conclude that there is a relationship between length of index finger and IQ. However, we cannot entirely reject the possibility of a relationship either because there might be other factors affecting the results, such as sampling error. Hence, option D is the most appropriate and justified conclusion.

Suppose That You Measure the IQ of 14 Subjects with Short