Research Article

On the Order Statistics of Standard Normal-Based Power Method Distributions

Table 1

General expressions for the expected values of the order statistics for 𝑝 𝑡 = 1 , 2 , 3 ( 𝑍 ) in (1.7) and sample sizes of 𝑛 = 1 , , 9 . 𝐼 2 𝑟 1 denotes an integral in (2.1) where 𝑟 = 1 , , 4 .

Sample size ( 𝑛 )Expected value

1 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 1 1 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 1 1 ] = 0

2 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 2 2 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 1 2 ] = 𝐼 1 = 1 / 𝜋

3 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 2 3 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 2 3 ] = 0
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 3 3 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 1 3 ] = ( 3 / 2 ) 𝐼 1 = 3 / ( 2 𝜋 )

4 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 3 4 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 2 4 ] = ( 3 / 2 ) ( 𝐼 1 𝐼 3 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 4 4 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 1 4 ] = ( 1 / 2 ) ( 3 𝐼 1 + 𝐼 3 )

5 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 3 5 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 3 5 ] = 0
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 4 5 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 2 5 ] = ( 5 / 2 ) ( 𝐼 1 𝐼 3 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 5 5 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 1 5 ] = ( 5 / 4 ) ( 𝐼 1 + 𝐼 3 )

6 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 4 6 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 3 6 ] = ( 1 5 / 8 ) ( 𝐼 1 2 𝐼 3 + 𝐼 5 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 5 6 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 2 6 ] = ( 1 5 / 1 6 ) ( 3 𝐼 1 2 𝐼 3 𝐼 5 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 6 6 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 1 6 ] = ( 3 / 1 6 ) ( 5 𝐼 1 + 1 0 𝐼 3 + 𝐼 5 )

7 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 4 7 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 4 7 ] = 0
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 5 7 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 3 7 ] = ( 1 0 5 / 3 2 ) ( 𝐼 1 2 𝐼 3 + 𝐼 5 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 6 7 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 2 7 ] = ( 2 1 / 8 ) ( 𝐼 1 𝐼 5 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 7 7 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 1 7 ] = ( 7 / 3 2 ) ( 3 𝐼 1 + 1 0 𝐼 3 + 3 𝐼 5 )

8 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 5 8 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 4 8 ] = ( 3 5 / 1 6 ) ( 𝐼 1 3 𝐼 3 + 3 𝐼 5 𝐼 7 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 6 8 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 3 8 ] = ( 2 1 / 1 6 ) ( 3 𝐼 1 5 𝐼 3 + 𝐼 5 + 𝐼 7 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 7 8 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 2 8 ] = ( 7 / 1 6 ) ( 5 𝐼 1 + 5 𝐼 3 9 𝐼 5 𝐼 7 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 8 8 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 1 8 ] = ( 1 / 1 6 ) ( 7 𝐼 1 + 3 5 𝐼 3 + 2 1 𝐼 5 + 𝐼 7 )

9 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 5 9 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 5 9 ] = 0
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 6 9 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 4 9 ] = ( 6 3 / 1 6 ) ( 𝐼 1 3 𝐼 3 + 3 𝐼 5 𝐼 7 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 7 9 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 3 9 ] = ( 6 3 / 1 6 ) ( 𝐼 1 𝐼 3 𝐼 5 + 𝐼 7 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 8 9 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 2 9 ] = ( 9 / 1 6 ) ( 3 𝐼 1 + 7 𝐼 3 7 𝐼 5 + 3 𝐼 7 )
𝐸 [ 𝑝 𝑡 ( 𝑍 ) 9 9 ] = 𝐸 [ 𝑝 𝑡 ( 𝑍 ) 1 9 ] = ( 9 / 3 2 ) ( 𝐼 1 + 7 𝐼 3 + 7 𝐼 5 + 𝐼 7 )