The Kurtosis of a Distribution Is Defined as Follows:
A) $\frac { E \left[ \left( Y - \mu _ { \gamma } \right) ^ { 4 } \right] } { \sigma _ { \gamma } ^ { 4 } }$

question 49

Multiple Choice

The kurtosis of a distribution is defined as follows:

• A) \(\frac { E \left[ \left( Y - \mu _ { \gamma } \right) ^ { 4 } \right] } { \sigma _ { \gamma } ^ { 4 } }\)
• B) \(\frac { E \left[ \left( Y ^ { 4 } - \mu _ { y } ^ { 4 } \right) \right] } { \sigma _ { y } ^ { 2 } }\)
• C) \(\frac { \text { skewness } } { \operatorname { vat } ( Y ) }\)
• D)E[(Y - \({ } ^ { \mu } \gamma\) ⁴)

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