Question: 5. Two random samples from two normal populations with unknown standard deviations produced the following data: Population 1 20 18 15 24 23 20 25

5. Two random samples from two normal populations with unknown standard deviations produced the following data:

Population 1 20 18 15 24 23 20 25 14 16 14 16 24 22 16 20 15 22 16 20 20 Population 2 32 33 24 32 34 25 34 32 20 26 29 21 22 37 27 30 24 22 22 30 Test, at the 5% level of significance, the null hypothesis H0: σ2 1/σ2 2 = 1 versus H1:

σ2 1/σ2 2 = 1.

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