Search

Discrete number

X
3,45
3,89
5
3
2,56
1,71
3,34
4,21

A typical task for this type of series: group number, built at regular intervals. For a number of find: the arithmetic mean, mode, median, quartiles, deciles, variance, standard deviation, coefficient of variation. Check the hypothesis of normal distribution of the resulting series.
Group number automatically

Interval number

Groups number
до 20 5
20-25 10
25-30 40
30-35 70
35-40 90
40-45 30
45-50 15
свыше 50 10
Итого 270
Note:
transform to the following form:
Groups number
15-20 5
20-25 10
25-30 40
30-35 70
35-40 90
40-45 30
45-50 15
50-55 10
Итого 270

A typical task for this type of series: For a given number to find: the arithmetic mean, mode, median, quartiles, deciles, variance, standard deviation, coefficient of variation, the magnitude of variation, coefficient of asymmetry, the coefficient ostsilyatsii, linear deviation. Check the hypothesis of normal distribution of the resulting series, using the criterion of Pearson agreement.
Knight raspredeleniya centralization indicators automatically

Variational series

Value number
20 5
25 10
30 40
35 70
40 90
45 30
50 15
60 10
Итого 270