2 votes

How do I interpret this standard deviation:

They gave me data on the percentages by weight of a sample of 48 syrups and with them I made a table of frequencies, they asked me the value of the standard deviation and they gave me: 2.60, now how do I interpret the value of this standard deviation? ! [] (// blob.todoexpertos.com/uploads/md/69cc093372a6ba2cc1ca6bc90e988316.jpg)

2voto

Anon User Points 0
What the standard deviation tells you is how scattered your data is with respect to the average, (you do not say how much it was). What we know is that: `
 $$ \ begin {align} & \ mu = media \\ & \ sigma = detour \ standard \\ & \ to \\ & In \ (\ mu- \ sigma, \ mu + \ sigma) \ text {are 68.27% of your data} \\ & In \ (\ mu-2 \ sigma, \ mu + 2 \ sigma) \ text {are 95.44% of your data} \\ & In \ (\ mu-3 \ sigma, \ mu + 3 \ sigma) \ text {are 99.73% of your data} \\ & \ end {align} $$ `Salu2

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