Tools / Mathematics / Statistics Calculator
Statistics Calculator
Analyze datasets with sample & population parameters, 5-number summary, box plots, frequency histograms, and z-scores.
Mean (x̄)32.15Sum: 418
Median (Q₂)31Middle value
Std Deviation (s)9.94Var: 98.81
Range3418 to 52
BOX & WHISKER PLOT
Min: 18 · Q₁: 24.5 · Med: 31 · Q₃: 40 · Max: 52 · IQR: 15.5
FREQUENCY HISTOGRAM
Z-SCORE CALCULATOR
Find how many standard deviations a value lies from the mean.
z =+0.59
72.2% percentileCONFIDENCE INTERVALS (MEAN)
90% CI[27.24, 37.07]
95% CI[26.15, 38.16]
99% CI[23.75, 40.56]