SOLUTION: Assume that the population standard deviations are equal for income mutula funds and growth mutual funds. Use the following sample data to test wheter there is a difference in the
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Question 768131: Assume that the population standard deviations are equal for income mutula funds and growth mutual funds. Use the following sample data to test wheter there is a difference in the mean yields of the to funds and the 0.05 level of significance.
Income Growth
Sample Size 35 40
Sample Mean 900 875
Sampld Stndrd Dev 35 45
1. WHat is the null Hypothesis
2. WHat is the computed value of the test statistic t?
3. What is the p value for this test statistic
4. What decision is made about the null hypothesis using a alpha = 0.05
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Assume that the population standard deviations are equal for income mutual funds and growth mutual funds. Use the following sample data to test whether there is a difference in the mean yields of the two funds at the 0.05 level of significance.
Income Growth
Sample Size 35 40
Sample Mean 900 875
Sampld Stndrd Dev 35 45
1. WHat is the null Hypothesis
Ho: u1-u2 = 0
Ha: u1-u2 # 0
=====================
2. WHat is the computed value of the test statistic t?
t = 2.7017
3. What is the p value for this test statistic
p = 0.0086
4. What decision is made about the null hypothesis using a alpha = 0.05
Since the p-value is less than 5%, reject Ho at the 5% level of significance.
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Cheers,
Stan H.
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