STAT221 Lecture 7: Notes

• School: University of Waterloo
• Department: Statistics
• Course: STAT221
• Professor: Julia Dedic

Document Summary

Leilani muir scored 64 in iq test. Her initially low score was a result of an error in a single measurement. Intelligence is not something like length or mass; there is no objective standard to which we can compare our measures to see if they are accurate. Instead, we have to rely upon rigorous testing of our methodologies. Sir francis galton(inttelligence and perception: anthropometric approach) systematic attempt to measure intelligence in modern era. Believed sensory abilities should be indicator of pe(cid:396)so(cid:374)(cid:859)s i(cid:374)tellige(cid:374)(cid:272)e. c(cid:396)eated a set of (cid:1005)7 se(cid:374)so(cid:396)(cid:455) tests, su(cid:272)h as highest a(cid:374)d lo(cid:449)est sou(cid:374)ds people could hear and began testi(cid:374)g people(cid:859)s a(cid:271)ilities i(cid:374) his a(cid:374)th(cid:396)opo(cid:373)et(cid:396)i(cid:272) la(cid:271)o(cid:396)ato(cid:396)(cid:455). England: anthropometrics (measurement of people) referred to methods of measuring physical and mental variation in humans) James mckeen cattell galto(cid:374)(cid:859)s (cid:272)olleague, (cid:396)esea(cid:396)(cid:272)hed i(cid:374) u. among university students. Revealed pe(cid:396)so(cid:374)(cid:859)s a(cid:271)ilit(cid:455) o(cid:374) diffe(cid:396)e(cid:374)t se(cid:374)so(cid:396)(cid:455) tests (cid:449)e(cid:396)e (cid:374)ot (cid:272)o(cid:396)(cid:396)elated (cid:449)ith ea(cid:272)h othe(cid:396). E(cid:454)- someone with exceptional sight does not mean person has exceptional hearing.