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1. |
A researcher used t-test to compare two means based on independent samples and found the t-value to be significant at .05 level. This means that : |
A. | Chances are 5 out of 100 that the difference between means has occurred due to sampling errors. |
B. | Chances are 95 out of 100 that the difference between means has occurred due to sampling errors. |
C. | If experiment is repeated 100 times, it would give the obtained result only 5 times. |
D. | If the experiment is repeated 5 times, it would give the same result every time. |
Answer» B. Chances are 95 out of 100 that the difference between means has occurred due to sampling errors. | |