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Text Elements
Important Ideas
4 Cs
Choose - Procedure and relevant info
Check - 3 Conditions
Calculate - Formula & work that went into it
Conclude - in context. if you write your conclusion as a complete sentence you can automatically do context so she recommends you do a complete sentence
Choosing Sample Size
Marg of Err = z* * sqrt( phat ( 1- phat) / n )
solve for n
critical value ( invnorm )
- if phat is unknown, use a “conservative estimate”
of phat = .5