1 X ~ t ( n), X ~ F (1, n).
Y ~ N (0,1), Z ~ 2 ( n), Y , Z .
X ~ t ( n),
X 2 ~ F (1, n).
2 X ~ N ( , 2 ), , 2 Pcfw_ X A 0.05
Pcfw_ X A 1 (
1.645, A 1.645 .
X , 2 ( X i X ) 2
X Y ,
D( X Y ) D( X ) D(Y ).
D( X Y ) ?
D( X Y ) E ( X Y )2 [ E ( X Y )]2
D( X ) D(Y ) 2 Ecfw_[ X E ( X )][Y E (Y )].
E cfw_[ X E ( X )][Y E (Y )]
X Y . Cov( X ,Y ),
C ov( X ,Y ) E cfw_[ X E ( X )][Y E (Y )].
I like this photo very much and I think it is a good example of dark studio. I chose a red rose, over two ted
apples, tree apricots, some pears, and a glass cup. I putted those fruits into a glass cup and placed tree
apricots in the front of the glass cup
SACE Stage 1
Creative Arts Photography
Research (1000 words)
Investigate the work of studio and still life artist Robert Mapplethorpe
using sites from the internet. Key words for his still life images are his full
name and the word flowe
This is a cap tea group photo, these teas were made by my friend, and we had a great time at his home. I shot these photos
with different camera angles like shoot a photo from top, life side, right side and horizontal side. There were three different
I like this photo, because a woman wears a red Chinese cheongsam and the
colour of ground is red as well. In this photo, the colours are lively and simple
structure. Most of colours in photo are warm colour like rad and orange. After
that, that which come
Water is a very important part of our Earth. Water covers almost 3/4 of our Earth.
All living things need water. People need water. Animals and plants need water,
too. Think of all of the ways you use water. Think of how animals and
Robert Mapplethorpe was born in 1946 in Floral Park, Queens. Of his childhood he said, "I come
from suburban America. It was a very safe environment and it was a good place to come from i
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