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|Table of Contents Appendix Exercises Relative Humidity of US Cities|
|See also: survey of exercises, two-sample t-test|
The data set HUMIDIT2 contains
relative humidity data for 264 US cities. The data set contains the data
for June and September (morning and afternoon). In addition, the annual
averages are stored in the last two columns. The data has been published
by the National Climatic Data Center on their Web site: http://www.ncdc.noaa.gov/.
Check whether there is a significant difference between the means of
Make your decisions on 5% and 1% levels of significance. Is there any difference between those two levels?
You can now go directly to the in
order to experiment with the data.
Last Update: 2006-Jšn-18