STDEV.P function
    STDEV.P(First,
    Other...) STDEV.P(First;
    Other...)
  
  First
        Number or { Number }
      
      The first parameter.
Other
        Number or { Number } (accepts many)
      
      Additional parameters.
Returns
        Number
      
      The population standard deviation of the parameters.
Returns the population standard deviation of the parameters. STDEV.P(3, 4, 5, 6, 2, 3, 1)STDEV.P(3; 4; 5; 6; 2; 3; 1) returns roughly 1.6.
STDEV.P only accepts numbers, or number arrays. Use STDEVPA instead of you also need to evaluate logical values and text strings representing numbers.
Example
      STDEV.P(3, 4, 5, 6, 2, 3,
      1)STDEV.P(3; 4; 5; 6; 2;
      3; 1)
      
    
    Returns roughly 1.6.