Question

if all values in in a set of 20 obsetvation are indentical then is standard dviation is
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Answer 1

Answer:

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1. Height of object (h) = 3cm

• Height of object (h) = 3cmFocal length ( f ) = 10cm

Height of object (h) = 3cmFocal length ( f ) = 10cmDistance of object from lens (u) = - 15cm

Height of object (h) = 3cmFocal length ( f ) = 10cmDistance of object from lens (u) = - 15cm\begin{gathered} \\ \\ \large\underline{ \underline{ \sf{ \red{to \: find:} }}} \\ \\ \end{gathered}