Assignment_1 - 559 35 22 770 40 23 143 35 24 421 30 25 447...

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Roshni Sheth BY 245 Assignment 1 27 January 2011 1. Male # 1 2 3 4 5 6 Height (cm) 181 202 190 185 190 200 Rank 1 6 3.5 2 3.5 5 Nominal short tall short short short tall 2/3. Data for Population: Mean 34.294855 71 Median 33 Minimum 23 Maximum 56 Variance 30.195368 77 Standard Deviation 5.4950312 8 Sample (n=10) Fish # Length 1 412 35 2 573 30 3 271 34 4 374 35 5 566 42 6 528 30 7 771 43 8 467 28 9 270 32 10 667 32 Data for Sample (n=10): Mean 34.1 Median 33 Minimum 28 Maximum 43 Variance 24.7666666 7 Standard 4.97661196
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Deviation 7 Sample (n=20) Fish # Length 1 698 31 2 635 27 3 253 39 4 763 41 5 386 31 6 16 49 7 261 31 8 599 29 9 343 32 10 257 35 11 366 31 12 21 47 13 399 29 14 551 33 15 168 36 17 4 28 18 247 33 19 17 37 20 230 33 Data for Sample (n=20): Mean 34.315789 47 Median 33 Minimum 27 Maximum 49 Variance 36.561403 51 Standard Deviation 6.0466026 42 Sample (n=30) Fish # Length 1 749 43 2 469 25 3 561 30 4 57 36 5 313 38 6 265 34
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7 244 38 8 40 37 9 691 33 10 173 37 11 572 35 12 127 27 13 539 38 14 248 31 15 524 25 16 67 34 17 381 45 18 740 45 19 74 34 20 754 45 21
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Unformatted text preview: 559 35 22 770 40 23 143 35 24 421 30 25 447 23 26 108 34 27 572 35 28 671 34 29 193 27 30 616 34 Data for Sample (n=30) Mean 34.566 67 Median 34.5 Minimum 23 Maximum 45 Variance 33.357 47 Standard Deviation 5.7755 93 The data of the sample are not the same as the data for the population because of sampling error. Since µ (the mean of the population) is known, the sampling error for each sample (n=10, 20 or 30) can be calculated. 4. Each of the histograms shows one mode. With more bins, there is obviously more detail to the graph-the most being the graph of the entire population with 29 bins. 5. 6. 7. 8....
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This note was uploaded on 06/28/2011 for the course BY 245 taught by Professor Dr.angus during the Spring '11 term at University of Alabama at Birmingham.

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Assignment_1 - 559 35 22 770 40 23 143 35 24 421 30 25 447...

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