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福师 《 生物统计学 》1108 次考试批次视频串讲 PowerPoint PPT Presentation


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福师 《 生物统计学 》1108 次考试批次视频串讲. 主讲人:孙中亮. 《 生物统计学 》. 第一部分:基本理论 绪论 生物统计学 第一章 数据与特征数 第二章 概率与分布 第三章 概率分布律 第四章 抽样分布

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福师 《 生物统计学 》1108 次考试批次视频串讲

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1108

1108


1108


1108

  • 15%

  • 10%

  • 20%

  • 25%

  • 30%


1108

[] 95.3%

89.1%

[]

  • 1

    2

    3


1108

11____________

ABCD


1108

  • 1

[]

[]

3____________

A B

C D


1108

2

()()

[]

[]

[]


1108

14

A

B20~25

C

D

20~2520-25


1108

  • 1

    ()()

1______

ABCD

2

5CV

AB

CD

CV


1108

3

11=0.052=0.01

5______

An Bn C1D

1

4

p(X>x)<1x

p(X<x)<1x

9m1m2______m1m2______

Am1m2m1m2

Bm1m2m1 m2

Cm1m2m1m2

Dm1m2m1 m2

=0.05=0.01


1108

5

1

3_____n_____

AxBxx

CxDxx

5X~N(4, 9)X____________

A9 B3 C9D3

222


1108

4

6

F2

1______

A BCD

4______

ABF Cc2Dt


1108

  • H0H1ut

7

A1>2 B12 C1<2D12

00

10I

ABCD


1108

  • 1.

  • 2.

3______

ABC D


1108

  • 1.

  • 2.

  • 3.

5__________c2

Adf=(R-1)(C-1)df=1 Bdf=k-1df=1

Cdf=(R-1)(C-1)df>1 Ddf=k-1df>1

n50.

5

55

1c2


1108

(v+v)(v+v)()()2

392311

(1)H0O-T=0

(2)k=2a1=0.05a2=0.01

(3)df=k-1=2-1=1c2(ca2)

c20.05=3.841c20.01=6.635

(4)

(5)c2<c20.05p>0.05

=3.704


1108

7-1F1F255631510110832

(1)H0O-T=0

(2)k=4a1=0.05a2=0.01

(3)df=k-1=4-1=32( )=7.815=11.345

(4) )

(5) 2< p>0.05


1108

10295.1%

10389.3%

(1)H0O-T=0

(2)R=2C=2

a1=0.05a2=0.01

(3)df=(R-1)(C-1)=(2-1)(2-1)=1

c20.05=3.841c20.01=6.635

(4)

=1.642

(5)c2<c20.05p>0.05


1108

  • 13570192

  • 23616319

  • 33814194

  • (1)H0O-T=0

  • (2)R=3C=2

  • a1=0.05a2=0.01

  • (3)df=(R-1)(C-1)

  • =(3-1)(2-1)=2

  • c2

  • c20.05=5.991, c20.01=9.210

  • (4)

  • =52.543

  • (5)c2>c20.01,p<0.01 :


1108

1

2

3t______I______

AuB CuD

t


1108


1108

p =

0.040


1108

1. xxy

2.

3. rb rbrbXY

3TW______T______

ABCD

6____________

A+~-B+~-C+1~-1D+1~-1


1108

NaCl(gkg-1)(mgdm-2)

Excel


1108

NaClExcelExcel______

_____


1108

NaCl(gkg-1)(mgdm-2)Excel


1108


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__0.929_____________a=__A___A81.786 B11.161

__=81.768+11.161x_____________________________________

p=__0.002_______C___A B C

95%_67.057~96.515_195%__6.054~16.267__


1108


1108


1108

NaCl0.81.62.43.2(g/kg)7NaCl


1108

NaCl00.81.62.43.24.04.8(g/kg)7NaCl


1108

20


1108

2012

t


1108

()


1108

3


1108

160

18161412

90303010

(=0.05)

m


1108

160

1816141290303010

410:2:2:1(=0.05)


1108

1010

tt


1108

1010

t


1108

  • 15%

  • 10%

  • 20%

  • 25%

  • 30%


1108


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