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Dataset Available: Download sexrat-6-e-059-2.xlsx The data set, lists the sexes of children born in over 50,000 families with more than one child. The format of the data is given below. Variable nm chid+ Number of Children Assigned sex of 1st born Assigned sex of 2nd born Assigned sex of 3rd born Assigned sex of 4th born sx_5 Assigned sex of 5th born sexchidn Assigned sex of all children Number of families sx_1 sx_2 sx_3 sx_4 num_fam** Use interval-estimation methods to determine if the sex assigned at birth of the second born child is predictable from the sex assigned at birth of the first born child. LUSE SALT Construct a 95% confidence interval to estimate the population proportion of second born babies assigned the gender male at birth given that their first born sibling was assigned the gender male at birth. (Enter your answer using interval notation. Round your numerical values to four decimal places.) x The interval should have only two values. Construct a 95% confidence interval to estimate the population proportion of second born babies who were assigned male at birth given that their first born sibling was assigned the gender female at birth. (Enter your answer using interval notation. Round your numerical values to four decimal places.) x The interval should have only two values. Do the intervals suggest that the sex assigned at birth of the second born child is predictable from the sex assigned at birth of the first born child.

Dataset Available: Download sexrat-6-e-059-2.xlsx The data set, lists the sexes of children born in over 50,000 families with more than one child. The format of the data is given below. Variable nm chid+ Number of Children Assigned sex of 1st born Assigned sex of 2nd born Assigned sex of 3rd born Assigned sex of 4th born sx_5 Assigned sex of 5th born sexchidn Assigned sex of all children Number of families sx_1 sx_2 sx_3 sx_4 num_fam** Use interval-estimation methods to determine if the sex assigned at birth of the second born child is predictable from the sex assigned at birth of the first born child. LUSE SALT Construct a 95% confidence interval to estimate the population proportion of second born babies assigned the gender male at birth given that their first born sibling was assigned the gender male at birth. (Enter your answer using interval notation. Round your numerical values to four decimal places.) x The interval should have only two values. Construct a 95% confidence interval to estimate the population proportion of second born babies who were assigned male at birth given that their first born sibling was assigned the gender female at birth. (Enter your answer using interval notation. Round your numerical values to four decimal places.) x The interval should have only two values. Do the intervals suggest that the sex assigned at birth of the second born child is predictable from the sex assigned at birth of the first born child.

MATLAB: An Introduction with Applications
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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Dataset Available: Download sexrat-6-e-059-2.xlsx The data set, lists the sexes of children born in over 50,000 families with more than one child. The format of the data is given below. Variable nm_chld+ sx_1 sx_2 sx_3 sx_4 Assigned sex of 4th born Assigned sex of 5th born sexchldn* Assigned sex of all children Number of families sx_5 num_fam** Number of Children Assigned sex of 1st born Assigned sex of 2nd born Assigned sex of 3rd born Use interval-estimation methods to determine if the sex assigned at birth of the second born child is predictable from the sex assigned at birth of the first born child. USE SALT Construct a 95% confidence interval to estimate the population proportion of second born babies assigned the gender male at birth given that their first born sibling was assigned the gender male at birth. (Enter your answer using interval notation. Round your numerical values to four decimal places.) X The interval should have only two values. Construct a 95% confidence interval to estimate the population proportion of second born babies who were assigned male at birth given that their first born sibling was assigned the gender female at birth. (Enter your answer using interval notation. Round your numerical values to four decimal places.) Need Help? Read It X The interval should have only two values. Do the intervals suggest that the sex assigned at birth of the second born child is predictable from the sex assigned at birth of the first born child. O The intervals suggest that having a first born male child does not have a noticeable impact on the chances of the second born child being male. O The intervals suggest that having a first born male child may slightly decrease the chances of the second born child being male. ● The intervals suggest that having a first born male child may slightly increase the chances of the second born child being male.
Transcribed Image Text:Dataset Available: Download sexrat-6-e-059-2.xlsx The data set, lists the sexes of children born in over 50,000 families with more than one child. The format of the data is given below. Variable nm_chld+ sx_1 sx_2 sx_3 sx_4 Assigned sex of 4th born Assigned sex of 5th born sexchldn* Assigned sex of all children Number of families sx_5 num_fam** Number of Children Assigned sex of 1st born Assigned sex of 2nd born Assigned sex of 3rd born Use interval-estimation methods to determine if the sex assigned at birth of the second born child is predictable from the sex assigned at birth of the first born child. USE SALT Construct a 95% confidence interval to estimate the population proportion of second born babies assigned the gender male at birth given that their first born sibling was assigned the gender male at birth. (Enter your answer using interval notation. Round your numerical values to four decimal places.) X The interval should have only two values. Construct a 95% confidence interval to estimate the population proportion of second born babies who were assigned male at birth given that their first born sibling was assigned the gender female at birth. (Enter your answer using interval notation. Round your numerical values to four decimal places.) Need Help? Read It X The interval should have only two values. Do the intervals suggest that the sex assigned at birth of the second born child is predictable from the sex assigned at birth of the first born child. O The intervals suggest that having a first born male child does not have a noticeable impact on the chances of the second born child being male. O The intervals suggest that having a first born male child may slightly decrease the chances of the second born child being male. ● The intervals suggest that having a first born male child may slightly increase the chances of the second born child being male.
1 2 3 4 = 5 = 5 - 7 = 3 5 9 5 _0 _1 5 _2 = 3 = 4 F 5 = _6 = _7 2 8 = 9 = 20 21 = 22 23 7 4 F 25 7 26 2 27 28 9 19 10 31 2 12 12 14 13 14 144 #5 1.5 16 10 17 2 18 16 19 19 40 41 2 12 - 13 15 14 14 15 15 16 10 17 2 48 16 19 19 50 51 22 52 14 63 64 7 55 2 6 7 57 2 58 75 59 o 50 51 62 nm child x 1 1 2 M 2 M 2 F 2 F 3 M 3 M 3 M 3 M 3 F P 3 F A 3 F 3 F 4 M p 4 M pr 4 M par 4 M 4 M 4 M 4 M 4 M 4 F 4 F 4 F 4 F 4 F 4 F 4 F 4 F 42 5 M 5 M 5 M 5 M 5 M 3 M 5 M JM 5 M JM 5 M JM 5 M JM 5 M JM 5 M JM 5 M JM 5 M JM 5 M JM 5 M 5 M 5 M 5 M 5 M 5 M 5 M 5 M 5 F Eu 5 F Eu 5 F Eu 5 F Eu 5 F Eu 5 F Sr 5 F Sr 5 F SF 5 F 5 F 5 F 5 F 5 F 5 F 5 F 5 F SX_2 M F M F M M F F F M M F F F M M M M F F F F F ta F M M M M F - F - F F D M M M M M M M M F L F H F L F H F H F L F L F L M M M M M M M M F F H F H F H F F F F SX_3 M F M F M F P M 1 F M M F H F M M p F H F M M F H F M M F F L M p M LIVI M M F " F L F M F M M M M LV F 4 F " F M C F M M LIVI M M F " F L F L F M M M M F - F F F F SX_4 M F M F M F + M F + M F + M F P M F M F L M IV M M F F L M MM M IM F H F M IV M M F H F L M MM M IM F H F M M IM F H F L M M M F F L M M F = F + M M F F sx_5 M F M F M IM F M IM F M IM F M IM F M IM F M F M M F M IM F M M F M F M F M F M F M F sexchldn num_fam MM 4700 MF 4270 FM 4333 www. FF 4218 1691 1618 1507 1403 1541 1431 eve MMM MMF MEM www.w MFF FMM P P FMF P FFM FFF www. MMMM wwwwwww MMMF wwwwww MMFM www.w MMFF www MFMM www.www MFMF www.www MFFM www MFFF www.w FMMM www. FMMF wwwwww FMFM www FMFF www FFMM wwwwwww FFMF FFFM FFFF www MMMMM MIMIIMIIM MMMMF MMMEM MMMFM MMMFF vivivirr MMFMM VIVI MIVI MMFMF wivi wi MMFFM Mivirriv MMFFF vivi MIF MIIVIVI MFMMM MFMMF w mivi MFMFM www.www.w MFMFF wwwwwwwww IIIIMIVI MFFMM MFFMF I wi MFFFM Mirrrm MFFFF wwwwww FMMMM FIMIMME FMMMF FMMFM LEMMIFM FMMFF vivirr FMPMM FMFMM FMFMF FMPMP FMFFM FMFFF FFMMM FFMMF FFMFM www FFMFF FFFMM FFFMF FFFFM FFFFF 1610 www 1498 Spe 469 B 484 B 466 448 BYTO 398 200 448 420 425 419 B 406 B 406 Bee 342 424 428 442 481 549 516 478 495 524 469 476 509 472 441 430 456 453 435 496 473 495 440 BYTO 486 1400 447 www 1413 479 452 492 430 409 469 429 1425 502 440 445 427 B 455 461 488 518
Transcribed Image Text:1 2 3 4 = 5 = 5 - 7 = 3 5 9 5 _0 _1 5 _2 = 3 = 4 F 5 = _6 = _7 2 8 = 9 = 20 21 = 22 23 7 4 F 25 7 26 2 27 28 9 19 10 31 2 12 12 14 13 14 144 #5 1.5 16 10 17 2 18 16 19 19 40 41 2 12 - 13 15 14 14 15 15 16 10 17 2 48 16 19 19 50 51 22 52 14 63 64 7 55 2 6 7 57 2 58 75 59 o 50 51 62 nm child x 1 1 2 M 2 M 2 F 2 F 3 M 3 M 3 M 3 M 3 F P 3 F A 3 F 3 F 4 M p 4 M pr 4 M par 4 M 4 M 4 M 4 M 4 M 4 F 4 F 4 F 4 F 4 F 4 F 4 F 4 F 42 5 M 5 M 5 M 5 M 5 M 3 M 5 M JM 5 M JM 5 M JM 5 M JM 5 M JM 5 M JM 5 M JM 5 M JM 5 M JM 5 M 5 M 5 M 5 M 5 M 5 M 5 M 5 M 5 F Eu 5 F Eu 5 F Eu 5 F Eu 5 F Eu 5 F Sr 5 F Sr 5 F SF 5 F 5 F 5 F 5 F 5 F 5 F 5 F 5 F SX_2 M F M F M M F F F M M F F F M M M M F F F F F ta F M M M M F - F - F F D M M M M M M M M F L F H F L F H F H F L F L F L M M M M M M M M F F H F H F H F F F F SX_3 M F M F M F P M 1 F M M F H F M M p F H F M M F H F M M F F L M p M LIVI M M F " F L F M F M M M M LV F 4 F " F M C F M M LIVI M M F " F L F L F M M M M F - F F F F SX_4 M F M F M F + M F + M F + M F P M F M F L M IV M M F F L M MM M IM F H F M IV M M F H F L M MM M IM F H F M M IM F H F L M M M F F L M M F = F + M M F F sx_5 M F M F M IM F M IM F M IM F M IM F M IM F M F M M F M IM F M M F M F M F M F M F M F sexchldn num_fam MM 4700 MF 4270 FM 4333 www. FF 4218 1691 1618 1507 1403 1541 1431 eve MMM MMF MEM www.w MFF FMM P P FMF P FFM FFF www. MMMM wwwwwww MMMF wwwwww MMFM www.w MMFF www MFMM www.www MFMF www.www MFFM www MFFF www.w FMMM www. FMMF wwwwww FMFM www FMFF www FFMM wwwwwww FFMF FFFM FFFF www MMMMM MIMIIMIIM MMMMF MMMEM MMMFM MMMFF vivivirr MMFMM VIVI MIVI MMFMF wivi wi MMFFM Mivirriv MMFFF vivi MIF MIIVIVI MFMMM MFMMF w mivi MFMFM www.www.w MFMFF wwwwwwwww IIIIMIVI MFFMM MFFMF I wi MFFFM Mirrrm MFFFF wwwwww FMMMM FIMIMME FMMMF FMMFM LEMMIFM FMMFF vivirr FMPMM FMFMM FMFMF FMPMP FMFFM FMFFF FFMMM FFMMF FFMFM www FFMFF FFFMM FFFMF FFFFM FFFFF 1610 www 1498 Spe 469 B 484 B 466 448 BYTO 398 200 448 420 425 419 B 406 B 406 Bee 342 424 428 442 481 549 516 478 495 524 469 476 509 472 441 430 456 453 435 496 473 495 440 BYTO 486 1400 447 www 1413 479 452 492 430 409 469 429 1425 502 440 445 427 B 455 461 488 518
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The purpose of this question is to determine whether the sex assigned at the birth of the second-born child is predictable from the sex assigned at the birth of the first-born child, using interval-estimation methods. We will construct 95% confidence intervals to estimate the population proportions of second-born babies assigned the gender male at birth given that their first born sibling was assigned the gender male at birth, and those assigned male at birth given that her first born sibling was assigned the gender female at birth. We will then compare the two intervals to determine whether the sex assigned at the birth of the second-born child is predictable from the sex assigned at the birth of the first-born child.

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