Vai su: http://www.WolframAlpha.com e cerca:
descriptive statistics
(seleziona "a general topic" e "a class of mathematical...")
mean, median, quantile, mode
mean
(seleziona "a computation")
mean {5,4,7,7,-2,4}
percentile
frequency {1,2,3,4,5,1,2,3,4,1,2,3,1,2,1,x,x}
relative frequency
sample
(seleziona "referring to a mathematical...")
stem-and-leaf diagram
stem and leaf plot 25,35,10,17,29,14,21,31,23,12,28,41,8
mean{156,168,162,150,167,157,170,157,159,164,157,165,163,165,166,160,163,162,155}
sort{156,168,162,150,167,157,170,157,159,164,157,165,163,165,166,160,163,162,155}
median{156,168,162,150,167,157,170,157,159,164,157,165,163,165,166,160,163,162,155}
mode{156,168,162,150,167,157,170,157,159,164,157,165,163,165,166,160,163,162,155}
statistics{156,168,162,150,167,157,170,157,159,164,157,165,163,165,166,160,163,162,155}
percentile[{156,168,162,150,167,157,170,157,159,164,157,165,163,165,166,160,163,162,155},0.5]
percentile[{165,166,167,167,167,169,170,171,171,172,173,174,175,175,176,177,178,179},0.5]
sort("maria","luigi","dario","piera","rosa","alfonso","mario")
histogram{156,168,162,150,167,157,170,157,159,164,157,165,163,165,160,163,162,155}
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