learn.howToCalculate
learn.whatIsHeading
Descriptive statistics summarize and describe the key features of a dataset without making inferences beyond the data. The main measures are central tendency (mean, median, mode) and spread (range, variance, standard deviation).
चरण-दर-चरण मार्गदर्शिका
- 1Mean: add all values, divide by the count
- 2Median: sort the data, pick the middle value (or average the two middle values)
- 3Mode: the value that appears most frequently
- 4Standard deviation: measures how spread out values are from the mean
हल किए गए उदाहरण
इनपुट
Dataset: 2, 4, 4, 6, 8
परिणाम
Mean=4.8, Median=4, Mode=4
Range=6, StdDev≈2.04
इनपुट
Dataset: 10, 20, 30, 40
परिणाम
Mean=25, Median=25, No mode
Symmetric dataset — mean=median