11-1₂ = do 2= (1-₂) - do √o²/n₁ + 0₂/1₂ 2 known 01 and A random sample of size n₁ = 25, taken from a normal population with a standard deviation o₁= 5, has a mean x₁ 5, has a mean x₁ = 80. A second random sample of size n₂ = 36, taken from a different normal population with a standard. deviation ₂ = 3, has a mean x₂ = 75. Using 5% level of significance, check whether ₁2

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Chapter1: Combinatorial Analysis
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(1-₂) - do
√oi/n₁ + 0₂/1₂
01 and 2 known
Reject Ho: ₁ > 1₂
2=
11-1₂ = do
A random sample of size n₁ = 25, taken from a normal population with a
standard deviation o₁= 5, has a mean x₁ = 80. A second random sample
of size n₂ = 36, taken from a different normal population with a standard
deviation ₂ = 3, has a mean x₂ = 75. Using 5% level of significance,
check whether ₁2
(1₂) do
Transcribed Image Text:(1-₂) - do √oi/n₁ + 0₂/1₂ 01 and 2 known Reject Ho: ₁ > 1₂ 2= 11-1₂ = do A random sample of size n₁ = 25, taken from a normal population with a standard deviation o₁= 5, has a mean x₁ = 80. A second random sample of size n₂ = 36, taken from a different normal population with a standard deviation ₂ = 3, has a mean x₂ = 75. Using 5% level of significance, check whether ₁2 (1₂) do
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