In a meta-analysis, a researcher wishes to examine differences between weights of subjects in two groups, but notes that one study uses the metric system, while the other study uses pounds and ounces. which statistic will the researcher apply in this case?

Statistical Conversion to Common Metric.

Explanation:

Conversion to a common metric is a process applied by researchers to aggregate certain statistics of many separate research findings and translate them into the same metric so the effects generated by the studies can be estimated.

This process can be put in practice to convert studies expressed in both the metric and the english system into a single metric so the researcher may make their examinations.