Author Question: In experimental design syntax, _______________ represents the exposure of a test group to an ... (Read 98 times)

bobbie

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In experimental design syntax, _______________ represents the exposure of a test group to an experimental treatment.
 a. E d. X
  b. O e. the subscript of O
  c. R

Question 2

A researcher must calculate the population mean to calculate the confidence intervals.
 
 Indicate whether the statement is true or false



tkempin

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Answer to Question 1

D
X represents the exposure to an experimental treatment; O refers to an observation; and R indicates random assignment to a treatment.

Answer to Question 2

F
A researcher must calculate the sample mean to calculate the confidence intervals.



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