Q:

A study was conducted to assess the heights of 30 students . By chance all of the students were found to be of the same height. The standard deviation of this study sample is:

0

A study was conducted to assess the heights of 30 students . By chance all of the students were found to be of the same height. The standard deviation of this study sample is:


  1. Zero
  2. 0 -- -1
  3. 0 -- +1
  4. 0 -- +2
  5. 0 -- -2

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A. Zero

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