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The following data shows the heights and weights of the students of class 11. Which of the following is correct?

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The following data shows the heights and weights of the students of class 11. Which of the following is correct?<br><table class=sf-tbl-fit"><tbody><tr><th></th><th>Height</th><th>Weight</th></tr><tr><th>Mean</th><td>170 cm</td><td>55 kg</td></tr><tr><th>Variance</th><td>130 cm<sup>2</sup></td><td>25 kg<sup>2</sup></td></tr></tbody></table>"






 
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