The Formula for Tind Is $\frac { \bar { X } _ { 1 } - \bar { X } _ { 2 } } { { } ^ { e } \bar { x } _ { 1 } - \bar { x } _ { 2 } }$

question 9

Multiple Choice

The formula for tind is.

• A) \(\frac { \bar { X } _ { 1 } - \bar { X } _ { 2 } } { { } ^ { e } \bar { x } _ { 1 } - \bar { x } _ { 2 } }\)
• B) \(\frac { \bar { X } _ { 1 } + \bar { X } _ { 2 } } { r _ { \bar { x } _ { 1 } } - \bar { x } _ { 2 } }\)
• C) \(\frac { \bar { X } _ { 1 } + \bar { X } _ { 2 } } { { } ^ { { } _ { \bar { X } } } }\)
• D) \(\frac { \bar { X } _ { 1 } - \bar { X } _ { 2 } } { { } ^ { r } }\)

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Definitions:

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