public health websites

[endi20]

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hi all,
http://www.cdc.gov/epo/dih/MiniModu..sem/page01.htm
http://www.zone101.com/LearningZone...e6/meanmode.htm
http://www.manatee.k12.fl.us/sites/...labtustat1.htm
Umight want to try books mentioned by ADAon their reference text books NDB website,if u r interested.
good luck!! 👍