1.

If \(\rm \overline{X}_1\) and \(\rm \overline{X}_2\) are the means of two distributions such that \(\rm \overline{X}_1 < \rm \overline{X}_2\), and \(\rm \overline{X}\) is the mean of the combined distribution, then:

A. \(\rm \overline{X} < \rm \overline{X}_1\)
B. \(\rm \overline{X} > \rm \overline{X}_2\)
C. \(\rm \overline{X}= \dfrac{\overline{X}_1+\overline{X}_2}{2}\)
D. \(\rm \overline{X}_1 < \overline{X} < \rm \overline{X}_2\)
Answer» E.


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