document.write( "Question 356305: The null and alternate hypotheses are: \n" );
document.write( "H0: μ1 ≤ μ2 \n" );
document.write( "H1: μ1 > μ2 \n" );
document.write( "A random sample of 20 items from the first population showed a mean of 100 and a standard deviation of 15. A sample of 16 items for the second population showed a mean of 94 and a standard deviation of 8. \n" );
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document.write( "(a) Find the degrees of freedom for unequal variance test. (Round down your answer to the nearest whole number.) \r \n" );
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document.write( " Degrees of freedom \n" );
document.write( " (b) State the decision rule for .05 significance level. (Round your answer to 3 decimal places.) \r \n" );
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document.write( " Reject H0 if t> \r \n" );
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document.write( "(c) Compute the value of the test statistic. (Round your answer to 3 decimal places.) \r \n" );
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document.write( " Value of the test statistic \n" );
document.write( " (d) What is your decision regarding the null hypothesis? Use the .05 significance level. \r \n" );
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