Monday: Data Set
Tuesday: Data Set
Wednesday: 46 questions of importance
Thursday: t.test information
The listed sample distances (in millimeters) was obtained by using a pupilometer to measure the distances between the two pupils for a bunch of adults.
67 66 59 62 63 66 66 55 63 61 60 56 66 67 59 59 60 62 61
Give the following information:
xbar
s
n
df
Friday: doing a t.test in the computer
"Conservationists have despaired over the destruction of tropical rainforests by logging, clearing, and burning." These words begin a report on a statistical effects of logging in Borneo. Here are the data on the number of species in 12 unlogged forest plots as compared to to 9 plots that were logged 8 years earlier.
Unlogged: 22, 18, 22, 20, 15, 21, 13, 13, 19, 13, 19, 15
Logged: 17, 4, 18, 14, 19, 15, 15, 10, 12
Does logging affect the mean number of species in a plot after 8 years?
and then...
student drinking. I've made the data easy for you to use, but it's up to you to do the rest.
female students. 2.5 5 3 4 7 2 4 2 9 3.5 6 5 7 5 5 1 1 5 5 3.5 7 2.5 1 2.5 3.5 1 3 4 3.5 3 5 2.5 2.5 2 8 2 3 4.5 3 3 1 6 1 2.5 9 4 1 7 6 5 10 5 10 3 3 3 5 5 4 7 3 7 6 3 4 4 3 3 4 8 3 9 3 4 3 4 3 6 8 4 4 2.5 6.5 4 4 1 6 4 2.5 4 7 2 6 7 4
male students. 7 16 6 15 7 8 6 7.5 4 8 3 3 4 4.5 8 8 8 10 7 2 5 15 5 4.5 7 6 4 3 9 10.5 4 4 12.5 4 7 8 6 5 3 1 7 6 5 2 15 5 3 10 2 5 2 11 5 1 10 5.5 6 4.5 6.5 9 7 9 3 6 1 8 9 10 4 4 12 7 5 10 3 10 4 8 8 4 10