Statistical methods in managing answers to the final test "Synergy". Solved from 87/100 points.
When analyzing the costs of organizing the educational process, the composite price index amounted to 104.5%. Hence:
Classification of connections in the direction ...
If the cost of all products sold in the reporting period decreased by 2% compared to the base period due to changes in the quantity of products, then:
The variable "number of rainy days in October" is of the type:
Match the name and method of determining the corresponding relative indicator
Find a match between the data and the way you get it:
Performance dynamics of some teams in the Russian football championships in 2014-2017 presented in the table:
Which of the teams shown shows a deterioration in performance over a four-year period?
The population over which the average is calculated must be...
The indicators characterizing the distribution series include:
According to the results of the training session, it was found that the association coefficient between the indicators "Satisfaction with the results of training" and "Activity of participation in group training activities" is 0.82. It means that:
The statistic is...
Determine the correct sequence for calculating the indicator "Absolute value of one percent increase":
Classification of connections in the direction ...
The unemployment rate in Moscow and Krasnodar for the first ten
months of 2020 represented as a diagram {... }
With an increase in all values of the attribute by 6 times, the standard deviation:
Determine the correct sequence for calculating the variance in the interval series of the distribution:
Find a correspondence between the type of indicator of dynamics and its practical application
A complex summary of statistical materials includes the following steps...
If in the totality of units the standard deviation of the attribute was 7, and the average value of this attribute is 21, then the totality of units by the value of this attribute:
The turnover in general for the commodity group in June amounted to 900 thousand rubles, and in May, with a fixed sales volume in June - 850 thousand rubles, which indicates:
If the cost of production increased by 15%, and the quantity of production decreased by 7%, then the production cost index will be:
If the coefficient of variation in the age of listeners in a group is 12.5%, then on average the age of each listener in this group differs from the general average age of 24 years by:
Find a correspondence between the value of the coupling coefficient and the degree of closeness of the relationship
The Spearman rank correlation coefficient can be used to assess the closeness of the relationship between features ...
The tightness of the relationship between two qualitative features is determined on the basis of the coefficients ...
Based on new opportunities, the company planned to increase the turnover in the second half of 2020. by 20% compared to the first half of 2020. In fact, trade increased by 15% compared to the first half of the year. At the same time, it can be concluded that the plan is implemented ...
A study of the influence of the “Employee Gender” indicator on the “Loyalty to the organization’s innovation policy” indicator, expressed as “high” and “low” options, can be carried out using the calculation:
If the relative indicator of the implementation of the production plan by the enterprise was 103%, and the volume of production increased by 2% compared to the previous period, then the plan provided for:
Find a correspondence between the type of indicator of variation and its practical use
Variables "height, weight, blood pressure and other measurable physiological parameters of a person" are of the type:
Find a correspondence between a series of dynamics and its classification
Consider two situations and choose the correct answer: Given a variation series of a sample of size n = 10: -2, 0, 3, 3, 4, 5, 9, 9, 11,
continued questions:
It is known that the variance of the feature is 3600, the coefficient of variation of the feature is 50%. The average value of the feature will be:
The content of the problem solved by analyzing the series of dynamics ...
Arrange the building steps in the correct order
statistical groupings:
Determine the correct sequence for calculating the rank
Spearman´s correlation coefficient:
Distribution of the number of kiosks by average daily revenue
presented in the table:
Define modal spacing
If the cost of all products sold in the reporting period by
compared with the base period due to changes in the number
production decreased by 2%, then:
An interval series can be called ...
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