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In a Simple Linear Regression Problem,suppose That ei2=12.48 and (YiY)2=124.8\sum e _ { i } ^ { 2 } = 12.48 \text { and } \sum \left( Y _ { i } - Y \right) ^ { 2 } = 124.8

question 23

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In a simple linear regression problem,suppose that ei2=12.48 and (YiY)2=124.8\sum e _ { i } ^ { 2 } = 12.48 \text { and } \sum \left( Y _ { i } - Y \right) ^ { 2 } = 124.8
.Then the percentage of variation explained R2R ^ { 2 }
must be 0.90.


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