K / P, TSU, Statistics, 3 semester, 5 option.

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K / P, TSU, Statistics, 3 semester, 5 option.
CHALLENGE 1

As a result, 1% of the survey sample (random, repetition-free selection) companies producing produk¬tsiyu the same name, the following data:
A statistical analysis of the data. For this purpose:

I.
1. Build the statistical distribution of a number of plants on the basis of the costs for production, forming 4 groups with equal intervals. Plot number distributions.
 
2. Calculate the number of characteristics of the distribution of plants by the sum of production costs: the arithmetic mean, the mean linear deviation, standard deviation, variance, coefficient of variation. In calculating the arithmetic mean and standard deviation primeni¬te method of moments.
Draw conclusions.

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