IDZ 19.1 – Option 22. Solutions Ryabushko A.P.

As a result of the experiment, data was obtained that was recorded in the form of a statistical series. For further processing, the following tasks must be completed:

a) Write down the values ​​of the experiment results in the form of a variation series;

b) Find the range of variation and divide it into 9 intervals;

c) Construct a frequency polygon, a histogram of relative frequencies and a graph of the empirical distribution function;

d) Find the numerical characteristics of the sample x, DB;

e) Test the null hypothesis H0 that the population from which the sample was drawn has a normal distribution, using the Pearson test at a significance level of α = 0.025;

f) Find confidence intervals for the mathematical expectation and standard deviation with a reliability of γ = 0.9.

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Digital product "IDZ 19.1 – Option 22. Solutions by Ryabushko A.P." represents solutions to problems of option 22 in the discipline "Informatics and Programming" within the framework of the "Informatics" course for students of higher educational institutions. The solutions were developed by the author Ryabushko A.P., an expert in the field of computer science and an experienced teacher of this discipline.

This product is designed in a beautiful html format, which ensures convenient and easy use. It contains a complete and detailed analysis of all tasks, which will help students better understand the material and successfully cope with exams.

In particular, this product presents a solution to the problem of processing statistical series. As part of this task, it is necessary to write down the values ​​of the experimental results in the form of a variation series, find the range of variation and divide it into 9 intervals, construct a frequency polygon, a histogram of relative frequencies and a graph of the empirical distribution function, and also find the numerical characteristics of the sample x, DB.

In addition, this product presents a solution to the problem of testing the null hypothesis about the normality of the distribution of the population from which the sample was extracted, using the Pearson test at a significance level of α = 0.025. And finally, this product presents a solution to the problem of finding confidence intervals for the mathematical expectation and standard deviation with a reliability of γ = 0.9.

Overall, this digital product is a useful tool for computer science and programming students to better understand the material and perform well on exams.

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IDZ 19.1 – Option 22. Solutions Ryabushko A.P. – this is a description of the solution to a task in mathematical statistics associated with the processing and analysis of the statistical series obtained as a result of the experiment. The description includes several points:

a) Recording the values ​​of the experimental results in the form of a variation series.

b) Finding the range of variation and dividing it into 9 intervals.

c) Construction of a frequency polygon, a histogram of relative frequencies and a graph of the empirical distribution function.

d) Finding the numerical characteristics of the sample x, DB.

e) Testing the null hypothesis H0: the population from which the sample is drawn has a normal distribution, using the Pearson test at a significance level of α = 0.025.

f) Finding confidence intervals for the mathematical expectation and standard deviation with a reliability of γ = 0.9.

The solution to the task was completed in Microsoft Word 2003 using the formula editor and presented in the form of a detailed document.

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