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thompsonjeremiah837
10.05.2021 •
Mathematics
Please help me Answer this math question
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Ответ:
The test statistic
Step-by-step explanation:
Explanation:-
Let x₁⁻ be the mean of the sample of size n₁ from a population mean μ₁ and standard deviation 'σ₁
Let x₂⁻ be the mean of the sample of size n₂ from a population mean μ₂ and standard deviation 'σ₂'
Null hypothesis : H0:μ₁ = μ₂
Alternative hypothesis : H1:μ₁ ≠μ₂
To test whether there is any significant difference between x₁⁻ and x₂⁻ we have use test statistic
Here
x₁⁻ be the mean of the first sample x₂⁻ be the mean of the second sample 'σ₁' be standard deviation first population.'σ₂' be standard deviation second population.