Use the Following to Answer Questions

question 43

Short Answer

Use the following to answer questions :
A clinic administers two drugs to two groups of randomly assigned patients to cure the same disease: 70 patients received Drug I and 80 patients received Drug II.The following table gives the information about the numbers of patients cured and those not cured by each of these two drugs.

-For a chi-square test of homogeneity for this contingency table,what is the number of degrees of freedom?

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Definitions:

Issues Of Scale

Challenges or advantages businesses face as they expand or reduce their size or production capacity.

Multiple Rates Of Return

A situation where an investment has more than one internal rate of return due to differing cash flow patterns over time.

Required Rate Of Return

The minimum annual percentage earnings needed from an investment to make it worthwhile, factoring in risk.

IRR

An investment's IRR represents the discount rate that makes the sum of all future cash flows (positive and negative) from the investment equal to zero, effectively measuring its annual growth rate.