DHS 19.1 - Option 17. Decisions Ryabushko AP
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a) record the value of the experimental results in the form of an ordered series;
b) Find the magnitude of variation and break it down into 9 intervals;
c) build a frequency polygon, a histogram of the relative frequency and schedule of the empirical distribution function;
d) find the numerical characteristics of the sample x, DB;
d) taking as the null hypothesis H0: the general population from which the sample is extracted, has a normal distribution, check it out using the criterion of Pearson with a significance level of α = 0,025;
e) find the confidence intervals for the mean and standard deviation with the reliability of γ = 0,9.
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- Updated on the site 10.07.2025
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DHS 19.1 - Option 17. Decisions Ryabushko AP
Cumulative discount
| 30 $ | the discount is 10% |
| 20 $ | the discount is 7% |
| 18 $ | the discount is 6% |
| 15 $ | the discount is 5% |
| 12 $ | the discount is 4% |
| 9 $ | the discount is 3% |
| 6 $ | the discount is 2% |
| 3 $ | the discount is 1% |
Amount of purchases from the seller: $
Your discount: %
Cumulative discount
| 30 $ | the discount is 10% |
| 20 $ | the discount is 7% |
| 18 $ | the discount is 6% |
| 15 $ | the discount is 5% |
| 12 $ | the discount is 4% |
| 9 $ | the discount is 3% |
| 6 $ | the discount is 2% |
| 3 $ | the discount is 1% |
Amount of purchases from the seller: $
Your discount: %
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