- •Laboratory work №4.6
- •Automation of statistical computing
- •In Mathcad to determine the sample variance stored in the matrix X, intended the function var (X) - sample variance, and the value of d can be calculated by the formula:
- •Variance and standard deviation (two methods of calculation).
- •Picture 2.3- Solutions Example 2.2
- •2. The duration of the operation of electron tubes of the same type (the times)
- •3. Measuring the capacity of 80 field-effect transistors
- •6. Given a sample mass of steel billets (g).
- •4. Hour of recovering diodes from the same batch (nanoseconds)
- •5. The hours of reaction (in seconds):
- •7. Changes of the limits of the strength on break for the steel sheet
- •8. The depth of the diffusion layer, defined by the sample from the party of the chips, has the following values (μm)
- •9. At a given current of 10 mA was measured direct voltage drop on the diodes Obtained the following values (volts)
- •10. Measuring the mass of a substance as the result of a chemical reaction (g)
- •11. The productiveness of the Department within 20 working days was characterized by the following numbers (in conventional units)
- •12. For 24 details was obtained the following deflection of control size from the nominal value (μm)
- •13. Measured resistivity in the sample batch of chips after doping the polysilicon
- •14. Data on the average number of family members
- •15. Given the following data on the yields of wheat
- •16. Data about tariff rank of 50 workers of one of the department of the plant
- •17. The output of services by category (2010/2009%)
- •18. Interest rates on loans (collateral loan, %)
- •19. The average population growth (cm)
- •20. The importance of the results on a 10-point greatest scale
- •21. The structure of gdp(gross domestic product) in 2000 and 2010 (industry - construction)
- •22. The fact of the execution of the plan by the company by product types (th.Units)
- •23. Data about the value of fixed assets of 50 enterprises
- •24. The dynamics of power consumption 24 1990 2010 (gw.H)
- •25 Coefficient of work motivation
7. Changes of the limits of the strength on break for the steel sheet
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51.8 |
51.7 |
51.8 |
52.2 |
51.2 |
50.9 |
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51.5 |
51.7 |
51.8 |
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51.4 |
51.1 |
51.4 |
51.5 |
51.6 |
51.7 |
51.5 |
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52.0 |
52.3 |
51.6 |
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51.5 |
51.3 |
51.4 |
51.3 |
51.2 |
51.1 |
51.6 |
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51.9 |
51.2 |
52.0 |
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8. The depth of the diffusion layer, defined by the sample from the party of the chips, has the following values (μm)
9,8 |
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9,8 |
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8,6 |
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8,6 |
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9,2 |
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9,8 |
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9,0 |
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10,0 |
8,8 |
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10,1 |
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9,4 |
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9,0 |
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11,2 |
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10,8 |
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9,2 |
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9,4 |
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9,3 |
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10,1 |
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9,1 |
10,0 |
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9,5 |
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