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UPTET Feb 2016,p1; Q108

0. The heights of 10 girls are measured (in cm) and the results are as follow
143,148,135,150,128,139,149,146,151,132.
The mean height (in cm) of girls is

  • Option : B
  • Explanation : Total height of 10 girls
    = 143 + 148 + 135 + 150 + 128 + 139 + 149 + 146 + 151 + 132
    = 1421 cm .
    Therefore, mean height = 1421/10
    = 142.1 cm
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