In order to augment the accuracy of the study a researcher
| A. | should increase the size of the sample |
| B. | should be honest and unbiased |
| C. | should keep the variance high |
| D. | all of these |
Answer : D Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
