STATS 300C Homework 5

STATS 300 C Homework 2 Thanks to Xiaoyan

STATS 300 C Homework 3

1 In multiple testing, weighted procedures are used for various reasons; for instance, (1) to increase power, (2) to incorporate previous knowledge about individual hypotheses, (3) to represent difference in importance (some hypotheses may be more important than others) or (4) to incorporate other measures of loss. The purpose of this question is to examine weighted procedures. Here, we assume ...

Microbial Production of Optically Active 1,3-Butanediol from 4-Hydroxy-2-butanone.

synthesizing various optically active compounds such as azetidinone derivatives, which are intermediate materials for penem and carbapenern antibfotics,i'2) pheromones,3) fragrances,4'S} and insecticides.6) Although microbial asymmetric processes for optically aetive 1,3-BDO have been reported,T'S) the product{vity was not satisfactory, and they produced only (R)-(-)-1,3-BDO. Thus, we started a...

HOMEWORK EFFORT AND STUDENTS ’ CONSCIENTIOUSNESS 1 Is Doing Your

Research has shown that sustained homework effort enhances academic performance and that students’ conscientiousness is a powerful predictor of students’ homework effort. But does homework—as homework proponents claim—in turn also influence the development of conscientiousness over time? In the present study, we examined whether students’ homework effort in two subjects (i.e., mathematics and l...

Homework: a cross-cultural examination.

Cultural differences in the amount of time spent on homework and in beliefs and attitudes about homework were investigated through interviews with more than 3,500 elementary school children, their mothers, and their teachers. The children lived in 5 cities: Beijing, Chicago, Minneapolis, Sendai (Japan), and Taipei. Chinese children were assigned more homework and spent more time on homework tha...