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Math Chapter Wise question with answer

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Question #50,301
Math Chapter Wise Statistics And Probability English MCQ NVS PGT 10-06-2019 Haryana PGT 2019 Section B PGT-I (31.11.2014)

Q.The mean of 5 items of an observation is 4 and the variance is 5.2. If three of the items are 1, 2 and 6, then the other two items are:

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