原假设是Ho,,备择假设是H1 ( )。

正确

错误

正确

错误

The research methods used by scientists.

Observation and human perception variation.

The relation between hypothesis and observation.

The human perceptual mechanism.

正确

错误

18，5

10，5

18，10

10，10

P=0. 1

P=0.05

P=0.01

P=0.06

正确

错误

μ处理1＝μ处理2＝μ处理3

μ组1＝μ组2＝…＝μ组10

π处理1＝π处理2＝π处理3

π组1＝π组2＝…＝π组10

\( H_0 :\mu =\mu _0 ,\quad H_1 :\mu \ne \mu _0 \)（\( \mu \) 是总体均值）

\( H_0 :\sigma ^2=\sigma _0^2 ,\quad H_1 :\sigma ^2\ne \sigma _0^2 \)（\( \sigma^2 \) 是总体方差）

\( H_0 :X\sim \left( {{\begin{array}{*{20}c} {a_1 } & {a_2 } & \cdots & {a_m } \\ {p_1 } & {p_2 } & \cdots & {p_m } \\ \end{array} }} \right),\quad H_1 :X\mbox{ 不服从 }\left( {{\begin{array}{*{20}c} {a_1 } & {a_2 } & \cdots & {a_m } \\ {p_1 } & {p_2 } & \cdots & {p_m } \\ \end{array} }} \right) \)

\( H_0 :F(x)\le F_0 (x),\quad H_1 :F(x)>F_0 (x) \)