In: Math
Question 1:
Which is best practice?
Question 2
Which of the following is a contrast and orthogonal to
?1=4?1−(?2+?3+?4+?5)
?2=?1−?3
?3=4?1+(?2+?3+?4+?5)
?4=?2−?3
Question 3
A contrast is a comparison of means.
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Question 4:
Which of the following qualifies as a contrast?
?1=0.5?1+0.5?2
?2=??1–0.5(?2+?3)
?3=?1+?2+?3
?4=13(?1+?2+?3)
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