The following is a tumor size for two different type of breast cancer. Type of tumor n -;{ x}
Question: The following is a tumor size for two different type of breast cancer.
| Type of tumor | n | \[\overset{-}{\mathop x}\,\] | s |
| I | 20 | 3.5 | 1.80 |
| II | 15 | 2.7 | 1.50 |
a) Construct a 95 percent confidence interval for each type of tumor
b) Construct a 99 percent confidence interval for the difference between populations mean.
c) Can we conclude the mean of tumor size is different for two groups? Let alpha=0.05.
d) Interpret the results
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Deliverable: Word Document
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(Solved) Problem: n(d) = 38 {{X̄}_{1}} = 92 {{X̄}_{2}} = 95.5 d#772; = -3.5 s_D^2=21 a. #14836
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