Answered: pany Competitor 1383 1153 2022 1067…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Housing Market 1 711000 332500 385000 770000 595000 350000 280000 420000 574000 336000 367500 819000 266000 511000 413000 420000 749000 406000 266000 665000 266000 595000 686000 742000 490000 381500 574000 560000 364000 427000 490000 364000 378000 269500 336000 Scenario: Here you will find a sample of house sale prices from two housing markets. Housing Market 2 374500 462000 586600 665000 180000 124300 525000 745500 476000 451500 315000 179500 521500 693000 724500 287000 346500 122500 864500 392000 756000 308000 420000 560000 476000 798000 346500 238000 371000 367500 420000 980000 260400 301000 176715 Number 1 2 3 Questions Would you rather invest in Market 1 or Market 2? Hypothesis tests would you implement to help you answer this question? Perform these test and report these results. What market would you invest in and why? Answer
Sale Price 9950 6536 11554 10049 11542 9339 11022 9858 6863 10912 12028 7661 10783 8959 6602 10123 10234 7104 8970 8490 9682 8208 9496 8352 12003 12260 12824 9733 10592 12232 13010 11725 6700 13104 11166 12684 12293 8152 7110 11255 8361 11550 9871 6634 11298 7594 6258 9413 10991 9304
The Food Marketing Institute shows that 18% of households spend more than $100 per week on groceries. Assume the population proportion is p = 0.18 and a sample of 800 households will be selected from the population. Use z-table. a. Calculate 0(P), the standard error of the proportion of households spending more than $100 per week on groceries (to 4 decimals). b. What is the probability that the sample proportion will be within +/- 0.02 of the population proportion (to 4 decimals)? c. What is the probability that the sample proportion will be within +/- 0.02 of the population proportion for a sample of 1,600 households (to 4 decimals)?
Hospital Births Personnel 1 312 792 2 1077 1762 3 1027 2310 4 355 328 5 168 181 6 3810 1077 7 735 742 8 1 131 9 1733 1594 10 257 233 11 169 241 12 430 203 13 0 325 14 2049 676 15 211 347 16 16 79 17 2648 505 18 2450 1543 19 1465 755 20 0 959 21 1993 325 22 2275 954 23 1494 1091 24 1313 671 25 451 300 26 1689 753 27 1583 607 28 2017 929 29 995 354 30 2045 408 31 1686 1251 32 503 386 33 126 144 34 2026 2047 35 1412 1343 36 1517 1723 37 0 96 38 0 529 39 2719 3694 40 1074 1042 41 1421 1071 42 762 1525 43 3194 1983 44 496 670 45 1442 1653 46 0 167 47 1107 793 48 2989 841 49 113 316 50 0 93 51 0 373 52 173 263 53 1064 943 54 759 605 55 1317 596 56 1751 1165 57 0 568 58 0 507 59 714 479 60 99 136 61 2243 1456 62 3966 3486 63 1308 885 64 0 243 65 2514 1001 66 3714 3301 67 126 337 68 556 1193 69 1327 1161 70 415 322 71 216 185 72 339 205 73 1217 1224…
Hospital Births Personnel 1 312 792 2 1077 1762 3 1027 2310 4 355 328 5 168 181 6 3810 1077 7 735 742 8 1 131 9 1733 1594 10 257 233 11 169 241 12 430 203 13 0 325 14 2049 676 15 211 347 16 16 79 17 2648 505 18 2450 1543 19 1465 755 20 0 959 21 1993 325 22 2275 954 23 1494 1091 24 1313 671 25 451 300 26 1689 753 27 1583 607 28 2017 929 29 995 354 30 2045 408 31 1686 1251 32 503 386 33 126 144 34 2026 2047 35 1412 1343 36 1517 1723 37 0 96 38 0 529 39 2719 3694 40 1074 1042 41 1421 1071 42 762 1525 43 3194 1983 44 496 670 45 1442 1653 46 0 167 47 1107 793 48 2989 841 49 113 316 50 0 93 51 0 373 52 173 263 53 1064 943 54 759 605 55 1317 596 56 1751 1165 57 0 568 58 0 507 59 714 479 60 99 136 61 2243 1456 62 3966 3486 63 1308 885 64 0 243 65 2514 1001 66 3714 3301 67 126 337 68 556 1193 69 1327 1161 70 415 322 71 216 185 72 339 205 73 1217 1224…
Day Revenue Occupied 1 1452 32 2 1361 20 3 1426 21 4 1470 25 5 1456 26 6 1430 23 7 1354 20 8 1442 39 9 1394 15 10 1459 50 11 1399 41 12 1458 35 13 1537 41 14 1425 31 15 1445 51 16 1439 62 17 1348 45 18 1450 41 19 1431 62 20 1446 47 21 1485 43 22 1405 38 23 1461 36 24 1490 60 25 1426 65
WAGE EDUC EXPER AGE GENDER RACE 1345 6 2 38 0 1 2435 4 18 52 1 1 1715 6 4 45 1 1 1461 6 4 58 1 1 1639 9 3 30 1 0 1345 5 8 43 0 1 1602 7 6 30 0 1 1144 4 3 33 0 0 1566 6 23 51 1 0 1496 4 15 37 1 1 1234 4 9 45 0 0 1345 6 3 55 0 1 1345 5 14 57 0 1 3389 9 16 36 1 1 1839 4 20 60 1 1 981 4 5 35 1 0 1345 9 10 34 0 1 1566 5 4 28 0 0 1187 6 1 25 0 1 1345 7 10 43 0 1 1345 9 2 42 0 1 2167 4 17 47 1 0 1402 11 2 46 1 1 2115 4 15 52 1 0 2218 8 11 64 1 1 3575 11 1 39 1 1 1972 4 1 39 1 1 1234 4 2 40 0 1 1926 5 9 53 1 0 2165 6 15 59 0 1 2365 6 12 35 0 0 1345 9 5 45 0 1 1839 4 14 37 0 0 2613 5 14 37 1 1 2533 11 3 43 1 1 1602 8 5 32 0 1 1839 9 18 40 0 1 2218 7 1 49 1 1 1529 4 10 43 0 0 1461 1 10 31 1 0 3307 9 22 45 1 1 3833 11 3 31 1 1 1839 4 14 55 1 0 1461 6 5 30 0 1 1433 9 3 28 1 0 2115 6 15 60 0 0 1839 4 13 32 1 0 1288 4 9 58 1 0 1288 6 4 29 0 0
On the hard copy of "Quiz for Section 8.2 you are provided with a map with the following numbers. Region 1 has 1000 Republicans and 1200 Democrats Region 2 has 3400 Republicans and 4900 Democrats. Region 3 has 4000 Republicans and 3900 Democrats. Region 4 has 1100 Republicans and 1000 Democrats. The First District consists of Regions 1 and 2: the Second District consists of Regions 3 and 4. The First District has a total of voters, and the Second District has a total of voters. The First District will choose a Democrats with votes for the Democrats while the Second District will choose a Republican with votes for the Republicans,
19 Males Females85 7877 9648 5760 6850 5562 8155 7876 8651 8864 5572 3760 6563 8680 7780 7863 6468 6398 7840 6283 6770 8462 8375 6870 7655 8466 8953 8779 9272 9066 9566 6897 9060 8064 8157 7459 5565 10171 7484 7858 79
4070 3870 4470 4060 4540 3880 4030 4060 4230 4310 4310 4130 4530 4470 4260 4350 4480 4060 4340 4220 3870 4160 4560 4190 4360 4220 4750 4310
Question 2
Is a new method of teaching reading to first graders (Method B) more effective than the method now in use (Method A)? You design a matched pairs experiment to answer this question. You form 20 pairs of first graders, with two children in each pair carefully matched by IQ, socioeconomic status, and reading-readiness score. You assign at random one student from each pair to Method A. The other student in the pair is taught by Method B. At the end of the first grade, all the children take a test to determine their reading skill. Assume that the higher the score on this test, the more proficient the student is at reading. Let p stand for the proportion of all possible matched pairs of children for which the child taught by Method B has the higher score. Your hypotheses are Ho: p = 0.5 (no difference in effectiveness) Ha:p > 0.5 (Method B is more effective) 12 = 0.6. 20 The result of your experiment is that Method B gave a higher score in 12 of the 20 pairs, or p If Ho is true, the 20 pairs…

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Company	Competitor
1383	1153
2022	1067
2429	1296
901	1406
2219	1254
1896	1335
1910	1204
1539	1076
2048	1246
2881	1098
2395	1258
1349	955
2052	954
2675	1363
1588	1022
2704	1155
3148	1807
2822	1295
2217	1116
2260	1323
3040	1326
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2977	1163
2599	1254
2412	1017
3187	938
2598	1270
2995	1042
3046	1318
3858	1497
2438	750
3243	1380
2764	1053
2944	932
3324	1097
2797	1193
3914	1271
2766	843
2273	780
3052	1095
3202	1290
3672	937
3957	1390
3274	1056
3788	1235
3502	1235
2942	999
3078	1066
3196	641
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pany Competitor 1383 1153 2022 1067 2429 1296 901 1406 2219 1254 1896 1335 1910 1204 1539 1076 2048 1246 2881 1098 2395 1258