Why are dependent samples preferred to independent sample Be

Why are dependent samples preferred to independent sample? Because independent sample involve too many variables. Because the variation in independent samples is higher. Because the standard error is generally larger in dependent samples. Because using independent sample leads to a smaller standard error. All of the above. A mojor disadvantage of the Laspeyres price index is It does not reflect changes in buying habits over time. It is too sensitive to small changes during early periods. It requires the denominator to be recalculated each period. All of the above. None of the above.

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