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Normal Distribution

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Normal Distribution. Confidence Interval 90%. Confidence Interval 90% Level of Significance a = 10%. Confidence Interval 90% Level of Significance a = 10%. a / 2 = 5%. a / 2 = 5%. Confidence Interval 90% Level of Significance a = 10%. a / 2 = 5%.

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slide3

Confidence Interval 90%

Level of Significance a = 10%

slide4

Confidence Interval 90%

Level of Significance a = 10%

a / 2 = 5%

a / 2 = 5%

slide5

Confidence Interval 90%

Level of Significance a = 10%

a / 2 = 5%

a / 2 = 5%

Za/2

-Za/2

slide6

Confidence Interval 90%

Level of Significance a = 10%

a / 2 = 5%

a / 2 = 5%

Za/2 = 1.645

-Za/2 = -1.645

slide7

Confidence Interval 95%

Level of Significance a = 5%

a / 2 = 2.5%

a / 2 = 2.5%

Za/2 = 1.96

-Za/2 = -1.96

slide8

Confidence Interval 98%

Level of Significance a = 2%

a / 2 = 1%

a / 2 = 1%

Za/2 = 2.33

-Za/2 = -2.33

slide9

Confidence Interval 99%

Level of Significance a = 1%

a / 2 = 0.5%

a / 2 = 0.5%

Za/2 = 2.575

-Za/2 = -2.575

slide10

Confidence Interval 90%

Level of Significance a = 10%

a = 10%

One Tail

Za = 1.28

slide11

Confidence Interval 90%

Level of Significance a = 10%

a= 10%

One Tail

-Za = -1.28

slide12

Confidence Interval 95%

Level of Significance a = 5%

a= 5%

One Tail

Za = 1.645

slide13

Confidence Interval 95%

Level of Significance a = 5%

a= 5%

One Tail

-Za = -1.645

slide14

Confidence Interval 98%

Level of Significance a = 2%

a= 2%

One Tail

Za = 1.96

slide15

Confidence Interval 98%

Level of Significance a = 2%

a = 2%

One Tail

-Za/2 = -1.96

slide16

Confidence Interval 99%

Level of Significance a = 1%

a = 1%

One Tail

Za = 2.33

slide17

Confidence Interval 99%

Level of Significance a = 1%

a= 1%

One Tail

-Za = -2.33

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