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Question 1 of 5

Which of the following is incorrect?

1. The mean obtained by the direct method, step-deviation method, and assumed mean methods are not always the same.

2. \bar{x}=a+h \bar{u} 2. holds a and h if are any non-zero numbers such that h u_{i}=x_{i}-a.

A

Only 1

B

Both 1 and 2

C

Neither 1 nor 2

D

Only 2

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