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December 21, 2014

December 21, 2014

Posted by **Jennifer** on Sunday, October 16, 2011 at 11:17pm.

How do i do this??

- Plz help me Sue!! -
**PsyDAG**, Sunday, October 16, 2011 at 11:34pmIf the mode (most frequently occurring score) = 91, at least 2 of the scores = 91. You only need to find one more score. Use the mean.

81 = (x+70+91+91+100)/5

Solve for x.

To check, it should still lead to a median of 91.

- statistics -
**PsyDAG**, Sunday, October 16, 2011 at 11:35pmIndicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question.

- Plz help me Sue!! -
**Jennifer**, Sunday, October 16, 2011 at 11:43pm81 = (x + 352)/5

81 = 352x/5

81 = 70.4x

x = 1.15??

- Plz help me Sue!! -
**Jennifer**, Sunday, October 16, 2011 at 11:50pmDid i do that correctly??

- Plz help me Sue!! -
**PsyDAG**, Sunday, October 16, 2011 at 11:56pmNo, X+352 ≠ 352x

81 = (x + 352)/5

Multiply both sides by 5, then subtract 352 from both sides.

- Plz help me Sue!! -
**Jennifer**, Monday, October 17, 2011 at 12:14amoh....so i get x = 53??

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