ºº͹ҧͧѡ¹Ѹ֡ 6 ͧ ѧѴ Ҿͺ

English version of this page Click here.
ԷԾ ѹ
ԷԾ ºº͹ҧͧѡ¹Ѹ֡ 6 ͧ ѧѴ Ҿͺ
ҢԪ ԵԷ֡
֡ԷԾ ʵҨ .෾ ѧ
ʵҨ ġ
2538

Ѵ

Ԩѵʧ (1) ºº͹ҧ ͧѡ¹Ѹ֡ 6 ѧѴѭ֡ зǧ֡Ҹԡ ͧ ѧѴ ҧѡ¹ ѡ¹˭ԧ (2) ºº͹ҧ ͧѡ¹Ѹ֡ 6 ѧѴѭ֡ зǧ֡Ҹԡ ͧ ѧѴ ҧѡ¹Ҿͺó ѡ¹Ҿͺ¡ ҧѡ¹Ѹ֡ 6 ͧ ѧѴ Ҥ¹ 2 ֡ 2537 ӹǹ 300 ͡Ըҧ (Simple random sampling) ͧԨ Ẻͺ͹ҧ ʶԵ (Mean) §ҵҹ (Standard Deviation) ͺ (t-test)
Ԩ
(1) ѡ¹ѡ¹˭ԧ ͹ҧҧѹҧӤѭҧʶԵ .05
(2) ѡ¹Ҿͺó ѡ¹Ҿͺ¡ ͹ҧҧѹҧӤѭҧʶԵ .05