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Homework answers / question archive / CHAPTER 10: TWOSAMPLE TESTS 1)The t test for the difference between the means of 2 independent populations assumes that the respective sample sizes are equal
CHAPTER 10: TWOSAMPLE TESTS
1)The t test for the difference between the means of 2 independent populations assumes that the respective
s_{1}^{2} = 4 s_{2}^{2} = 6
n_{1} = 16 n_{2} = 25
s_{1}^{2} = 4 s_{2}^{2} = 6
n_{1} = 16 n_{2} = 25

EconoMove 
OntheMove

Total shipments sampled 
900 
750 
Number of shipments with a claim $50 
162 
60 
The owner of OntheMove is hoping to use these data to show that the company is superior to EconoMove with regard to the percentage of claims filed. Which test would be used to properly analyze the data in this experiment?
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