document.write( "Question 729105: A reporter bought hamburgers at randomly selected stores of two different restaurant chains, and had the number of Calories in each hamburger measured. Can the reporter conclude, at = 0.05, that the hamburgers from the two chains have a different number of Calories?\r \n" );
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document.write( " Chain A Chain B \n" );
document.write( "Sample size 5 8 \n" );
document.write( "Sample mean 255 Cal 310 Cal \n" );
document.write( "Sample standard deviation 21 Cal 25 Cal\r \n" );
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document.write( "No, because the test value –0.33 is inside the noncritical region \r \n" );
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document.write( "Yes, because the test value –0.33 is inside the noncritical region \r \n" );
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document.write( "Yes, because the test value –4.26 is outside the noncritical region \r \n" );
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document.write( "No, because the test value –1.19 is inside the noncritical region \r \n" );
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