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258 lines
3.2 KiB
258 lines
3.2 KiB
File Name: Lottery.dat
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Dataset Name: Lottery
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Description: This is an observed/"real world" data set
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consisting of 218 lottery values
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from September 3, 1989 to April 14, 1990 (32 weeks).
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One 3-digit random number (from 000 to 999)
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is drawn per day, 7 days per week for most
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weeks, but fewer days per week for some weeks.
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We here use this data to test accuracy
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in summary statistics calculations.
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Stat Category: Univariate: Summary Statistics
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Reference: None
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Data: "Real World"
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1 Response : y = 3-digit random number
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0 Predictors
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218 Observations
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Model: Lower Level of Difficulty
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2 Parameters : mu, sigma
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1 Response Variable : y
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0 Predictor Variables
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y = mu + e
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Certified Values
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Sample Mean ybar: 518.958715596330
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Sample Standard Deviation (denom. = n-1) s: 291.699727470969
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Sample Autocorrelation Coefficient (lag 1) r(1): -0.120948622967393
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Number of Observations: 218
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Data: Y
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----------
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162
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671
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933
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414
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788
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730
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817
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33
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536
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875
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670
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236
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473
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167
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877
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980
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316
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950
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456
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92
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517
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557
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956
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954
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104
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178
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794
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278
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147
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773
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437
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435
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502
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610
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582
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780
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689
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562
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964
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791
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28
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97
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848
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281
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858
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538
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660
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972
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671
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613
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867
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448
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738
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966
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139
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636
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847
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659
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754
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243
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122
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455
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195
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968
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793
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59
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730
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361
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574
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522
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97
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762
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431
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158
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429
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414
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22
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629
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788
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999
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187
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215
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810
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782
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47
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34
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108
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986
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25
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644
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829
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630
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315
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567
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919
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331
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207
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412
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242
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607
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668
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944
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749
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168
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864
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442
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533
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805
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372
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63
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458
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777
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416
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340
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436
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140
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919
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350
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510
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572
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905
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900
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85
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389
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473
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758
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444
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169
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625
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692
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140
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897
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672
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288
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312
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860
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724
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226
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884
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508
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976
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741
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476
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417
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831
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15
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318
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432
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241
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114
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799
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955
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833
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358
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935
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146
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630
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830
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440
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642
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356
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373
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271
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715
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367
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393
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190
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669
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8
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861
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108
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795
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269
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590
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326
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866
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64
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523
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862
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840
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219
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382
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998
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4
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628
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305
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747
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247
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34
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747
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729
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645
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856
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974
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24
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568
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24
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694
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608
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480
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410
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729
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947
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293
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53
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930
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223
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203
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677
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227
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62
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455
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387
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318
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562
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242
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428
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968
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