stats report 1.2 .docx - Megan McLoughlin Report 1.2 1 What years are included in this data set What are the dimensions of the data frame and what are

stats report 1.2 .docx - Megan McLoughlin Report 1.2 1 What...

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Megan McLoughlin 9/11/2019 Report 1.2 1. What years are included in this data set? What are the dimensions of the data frame and what are the variable or column names? 1940 – 2002 >dim(present) [1] 63 3 The years included are 1940 - 2002. The dimensions of the data frame are 63 rows and 3 columns. The variable/column names are “year” “boys” and “girls”. 2. How do these counts compare to Arbuthnot’s? Are they on a similar scale? >arbuthnot$boys+arbuthnot$girls [1] 9901 9315 8524 9584 9997 9855 10034 9522 9160 10311 10150 [12] 10850 10670 10370 9410 8104 7966 7163 7332 6544 5825 5612 [23] 6071 6128 6155 6620 7004 7050 6685 6170 5990 6971 8855 [34] 10019 10292 11722 9972 8997 10938 11633 12335 11997 12510 12563 [45] 11895 11851 11775 12399 12626 12601 12288 12847 13355 13653 14735 [56] 14702 14730 14694 14951 14588 14771 15211 15054 14918 15159 13632 [67] 13976 14861 15829 16052 15363 14639 15616 15687 15448 11851 16145 [78] 15369 16066 15862 15220 14928 >present$boys+present$girls [1] 2360399 2513427 2808996 2936860 2794800 2735456 3288672 3699940 [9] 3535068 3559529 3554149 3750850 3846986 3902120 4017362 4047295 [17] 4163090 4254784 4203812 4244796 4257850 4268326 4167362 4098020 [25] 4027490 3760358 3606274 3520959 3501564 3600206 3731386 3555970 [33] 3258411 3136965 3159958 3144198 3167788 3326632 3333279 3494398 [41] 3612258 3629238 3680537 3638933 3669141 3760561 3756547 3809394 [49] 3909510 4040958 4158212 4110907 4065014 4000240 3952767 3899589 [57] 3891494 3880894 3941553 3959417 4058814 4025933 4021726 No, they are not on a similar scale because Arbuthnot’s data is almost 20 years longer than presents and the number of boys and girls in arbuthnots’s is around 10,000 while present is in the millions.
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3. Does Arbuthnot’s observation about boys being born in greater proportion than girls hold up
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