# What is the decision rule for the t-test that the mean child mortality rate for countries in Eastern Europe is more than the mean child mortality rate for countriesin the Middle East?

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What is the decision rule for the t-test that the mean child mortality rate for countries in Eastern Europe is more than the mean child mortality rate for countriesin the Middle East?

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Step 1

It is tested that the mean child mortality rate for countries in Eastern Europe is more than the mean child mortality rate for countries in Middle East.

The test is right tailed t-test.

The null and alternative hypotheses for the test are given below:

Null hypothesis:

H0: Mean child mortality rate for countries in Eastern Europe is equal to the mean child mortality rate for countries in middle east.

Alternative hypothesis:

H1: Mean child mortality rate for countries in Eastern Europe is more than the mean child mortality rate for countries in middle east.

Step 2

Decision based on critical value:

For the right tailed test, at level of significance α,

reject the null hypothesis H0 if, t-calcu...

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