check out our schedule here.
Book questions. These need to be accomplished by friday. they should be done in a way the both you and i would be happy with them. they do not have to be up to the highest level we have talked about, but should be well thought out AND have your work shown reasonably.
p. 545: 33, 34, 35
t.test procedures (p. 467, puzzle book):
velvet:
2450 2504 2114 1110 2137 8015 1623 1531 2008 1716 721 863 1136 2819 1911 2101 1051 218 1711 164 2228 363 5973 1050 1961 1809 130 880
oil.wells
21.71 43.4 79.5 82.2 56.4 36.6 12.0 12.1 53.2 69.5 26.9 35.1 49.4 64.9 28.3 20.1 46.4 156.5 18.5 46.7 44.9 14.8 204.9 30.5 42.7 34.6 14.7 54.2 34.6 17.6 44.5 7.1 50.4 37.9 32.9 63.1 92.2 29.1 10.3 10.1 97.7 12.9 196 69.8 37 61.4 37.7 18.0 103.1 2.5 24.9 57.4 58.8 38.6 33.7 3.0 51.9 31.4 118.2 65.6 21.3 32.5 81.1 2.0
what is the major difference between z.tests and t.tests?